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[ "Chloroplasts in the leaf of the plant traps light from the sun", "The roots absorb water and minerals from the soil", "This combination of water and minerals flows from the stem into the leaf", "Carbon dioxide enters the leaf", "Light, water and minerals, and the carbon dioxide all mix together", "This mixture forms sugar (glucose) which is what the plant eats", "Oxygen goes out of the leaf through the stomata", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "A star burns in space", "Eventually it burns all its hydrogen", "Becomes a red giant", "Once the red giant burns itself out", "The core of the star collapses", "The gasses will start to disperse", "Only the core is left", "A white dwarf has been formed." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Sediment settles in a place due to gravity", "The sediment breaks down into small particles", "Wind or water picks up the sediment", "The sediment travels along the same route as the wind or water", "The sediment is deposited at new locations by the wind or water", "The sediment is picked up again by new wind or water", "The sediment travels further", "The sediment is deposited again in a new place." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Kidneys filter waste out of blood", "Composition of blood is regulated", "Volume of water in blood is kept constant", "PH is kept at a constant level", "Kidneys help regulate blood pressure", "Kidneys stimulate the making of red blood cells", "Calcium levels are maintained." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Thunderstorms form over the ocean", "An area of low pressure causes rotation", "Several thunderstorms come together around this area", "The storm is fed by rising air from warm ocean water evaporating", "When the wind speeds reach 74 mph the storm is considered a hurricane." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Fault lines appear underground", "The fault lines grow over time", "The rocks on each side of the fault lines rub against the rocks on the other side of the fault line", "The rocks put pressure on each other", "The rocks break from the pressure", "The breaking of the rocks releases a lot of energy", "The energy causes seismic waves", "The seismic waves make the earth shake." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Chloroplasts in the leaf of the plant traps light from the sun", "The roots absorb water and minerals from the soil", "This combination of water and minerals flows from the stem into the leaf", "Carbon dioxide enters the leaf", "Light, water and minerals, and the carbon dioxide all mix together", "This mixture forms sugar (glucose) which is what the plant eats", "Oxygen goes out of the leaf through the stomata", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "An airline reservation is made", "The passenger arrives early at the airport", "The luggage is checked", "The passenger waits in line", "The passenger shows their identification and gets a boarding pass", "The passenger goes to their gate", "The passenger gets in line when it's time to board", "The person boards the plane", "The plane arrives at the destination", "The passenger gets off the plane at their destination." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Bacteria enters the body", "Bloodstream", "Cells in the body are attacked", "Cells are killed", "Different kinds of sickness are formed." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Bats and other animals produce a high-pitched tone", "The sound travels in waves, as sound does", "The sound \"bounces\" off of a nearby object", "The sound wave returns to the bat", "The bat hears the echoed sound", "Folds in the bat's ear and adaptations in the bat's brain enable it to determine the size, shape, and position of the other object via the properties of the returned sound waves", "Other animals use echolocation in generally similar ways", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "A mine is excavated in the side of a mountain", "Miners enter the mine", "Miners remove the coal from the mine", "The coal is placed into carts or on a conveyor belt", "The coal is moved up to the surface", "The coal is loaded onto a truck", "The truck takes the coal to a power station." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Skin is cut or damaged", "Bacteria enters through the wound", "The bacteria reproduces and spreads", "Causes symptoms", "The bacteria is either fought off or becomes a disease." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Sediment transport is the movement of solid particles (sediment)", "The movement is due to a combination of gravity acting on the sediment, and/or the movement of the fluid in which the sediment is entrained", "Sediment transport occurs in natural systems where the particles are clastic rocks (sand, gravel, boulders, etc.), mud, or clay", "The fluid is air, water, or ice", "And the force of gravity acts to move the particles along the sloping surface on which they are resting", "Sediment transport due to fluid motion occurs in rivers, oceans, lakes, seas, and other bodies of water due to currents and tides", "Transport is also caused by glaciers as they flow", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Chloroplasts in the leaf of the plant traps light from the sun", "The roots absorb water and minerals from the soil", "This combination of water and minerals flows from the stem into the leaf", "Carbon dioxide enters the leaf", "Light, water and minerals, and the carbon dioxide all mix together", "This mixture forms sugar (glucose) which is what the plant eats", "Oxygen goes out of the leaf through the stomata", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Animals eat a lot during good (warm, clear) weather", "Animals gain weight", "The season changes to one with bad (cold, snowy) weather", "Animals find a place to hibernate", "Animals enter a type of 'sleep' (hibernation)", "Body processes slow down", "The animal's heart rate and breathing rate slow", "The animal loses weight more slowly than usual", "The animal is able to survive not eating or drinking without hurting itself", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "You find an empty ice cube tray", "You fill the tray with warm water", "You carefully place the tray on an even surface in a freezer that is at least 32 degree Farhenheit, the freezing point of water", "The water begins to get colder until it starts to freeze solid", "The water expands as it freezes, one of the few liquids that has greater volume as a solid", "Because you used warm water, the gasses in the water had evaporated out, so you will have nice clear ice cubes without cracks from the trapped gasses", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Begin the party", "Partake in activities", "Bring out the cake", "Sing 'Happy Birthday!'", "Blow out the candles", "Eat the cake", "Open the presents", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "A man and woman mate", "Embryo is C", "Embryo grows and develops into a fetus inside the woman's womb", "The fetus is born", "Begins to grow and develop through infancy and childhood", "In the teenage years the human experiences puberty", "Reaches sexual maturity", "At 18 the human becomes an adult", "Adult may procreate continuing the cycle." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Human industry produces chemical compounds", "Chemical compounds rise into the air", "Chemical compounds mix with elements in clouds", "The affected rain falls to the earth", "The affected rain can harm natural and man-made objects because of its acidic content." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Salt water is contained in a factory or plant", "The water is boiled to a very high tempature", "The salt becomes seperated from the water", "The salt is removed", "The water is able to be drank at this point." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Water comes through a filter", "The filter has small pores to catch pollutants", "The filter will catch chlorine, heavy metals, and other chemicals", "The filter allows water and mineral ions like fluoride to pass through", "The water on the other side of the filter is much cleaner", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Solution caves are formed in limestone and similar rocks by the action of water", "After a rain, water seeps into cracks and pores of soil and rock", "The water percolates beneath the land surface", "Some of the water reaches a zone where all the cracks and pores in the rock are already filled with water", "Rainwater absorbs some carbon dioxide as it passes through the atmosphere and even more as it drains through soil and decaying vegetation", "The water combines chemically with the carbon dioxide", "A weak carbonic acid solution is formed", "This acid slowly dissolves calcite, forms solution cavities, and excavates passageways", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Grass and small plants grow in an area", "These plants die", "The soil gains organic material", "The soil becomes more fertile", "Larger plants are able to be supported", "Trees eventually grow." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Bacteria enter the body", "Bacteria start to divide and grow", "The uncontrolled growth takes away resources from other cells", "Other cells cannot function properly", "We feel unwell", "The growth and division of bacteria produce toxins", "Toxins harm the body", "The body tries to react to the toxins", "The body's natural defenses can sometimes cause us to feel unwell." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Pollution enters natural water sources such as rivers and lakes", "The pollution negatively affects the water quality", "The pollution negatively affects the health of plants and animals", "The plants and animals have shorter, less healthy lives", "The plants and animals do not reproduce very well", "The number of plants and animals decreases over time", "The quality of water gets worse and worse as there are no plants or animals to clean it", "Eventually there is nothing living in the water and it is unusable", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "The bat sends out sound waves from their mouth or nose", "The sound waves hit an object", "Echoes are produced", "The echo returns to the bat's ears", "The bat hears the echo", "The bat can figure out where the object is located." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Oil is gathered through mining operations", "The oil is transported to stores", "Oil is purchased by homeowners", "Oil is placed into a stove in the house", "The oil is lit on fire, and burns for a long time", "The warm air off of the oil travels through the house", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Water in the clouds becomes very cold", "The cold water forms ice crystals", "The ice crystals grow by absorbing surrounding water droplets", "Form snowflakes", "The snowflakes fall to the ground." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Coal is burned in a boiler", "Steam is produced under pressure", "Flows into a turbine", "The turbine spins", "Creates electricity." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Iron is exposed to oxygen", "Is exposed to air", "A chemical reaction occurs", "The iron starts to oxidize", "The iron starts to rust." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "A forest fire starts", "The trees and plants burn", "The animals lose their homes", "If the animals can not escape, they may die from smoke inhalation", "The plants that provide food are gone", "The animals have little to eat", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Sugar enters the body", "Bloodstream", "The pancreas", "Insulin lower sugar levels", "Bloo sugar goes back to normal." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "You inhale", "The air enters the mouth and nose", "The diaphragm contracts", "Air fills all the sacks in the lungs", "Oxygen passes through the sacks into capillaries", "The blood is passed to the blood in the capillaries", "The blood carries the oxygen to the heart", "The heart pumps the oxygenated blood to the body." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Magma is formed when rock melts inside the Earth's crust", "Magma rises", "Collects inside magma chambers underneath a volcano", "Pressure builds in the magma chambers as they fill", "Gain energy for eruption", "Some of the energy is converted into seismic activity (earthquakes)", "If the magma building in the volcano is thick and sticky it will trap gases", "Results in an explosive eruption when the pressure becomes too intense", "If the magma is thin and runs", "The magma results in a low-pressure, slow-moving flow of magma instead of a violent eruption", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Salt water is contained in a factory or plant", "The water is boiled to a very high tempature", "The salt becomes seperated from the water", "The salt is removed", "The water is able to be drank at this point." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "The diaphragm contracts", "The lungs expand", "Air is pulled from outside the body, into the lungs", "The membranes in the lungs collect oxygen molecules", "Oxygen is transferred to red blood cells", "Red blood cells distribute oxygen throughout the body", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "The human body takes a breath inward", "Air is transported to the lungs", "Air reaches the alveoli, the smallest air sacs in the lungs", "In the alveoli, air passes into the blood within small capillaries", "The gaseous oxygen in the air dissolves into the capillary blood", "The dissolved oxygen is picked-up by red blood cells", "The red blood cells bind the oxygen via a protein called heme", "Red blood cells circulate throughout the body and reach the various tissues", "Within small capillaries, the heme release the oxygen", "The oxygen can then reach the cells within the tissue", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Suns heat enters atmosphere", "Green house gases enter from the earth", "Heat is trapped in atmosphere", "Different things on earth are hotter", "The overall planet is hotter." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Networks of trees start forming", "The trees die off", "The dead material provides nutrients for more trees", "The rising trees provide shelter", "And more organisms begin to thrive", "The ecosystem known as a forest is made." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Water from the ocean washes onto beaches in waves", "The waves contain sediment from the ocean", "The water and particles in it hit rocks and sand on the beach", "The wind and current sometimes push the water and particles harder", "Tiny parts of the rocks on the shore come off the larger rocks", "The waves pick up sand and small rocks from the beach", "The waves go back out into the ocean", "The waves carry the new particles with them", "Rocks and the beach look a little different." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Over 99% of the exocrine pancreas cells produce digestive juices", "They secrete digestive juice 'externally' into the small intestine", "There are enzymes for breaking down fats, proteins , and carbohydrates", "Digestive juices flows from the pancreas through an excretory duct into the small intestine", "When the blood sugar levels rise, as they might after a meal, insulin is released", "When blood sugar levels are too low, the pancreas releases glucagon into the bloodstream", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Greenhouse gases are released into the air by human activities", "The earth changes energy from the sun into heat", "Heat rises from the ground", "Greenhouse gas molecules in the atmosphere prevent the heat from going into space", "The temperature of the earth increases", "The temperature continues to rise and melts the polar ice caps", "The temperature rises even faster." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "A person takes in oxygen through their nose or mouth", "The oxygen travels into the body", "Breaks down into glucose", "Carbon dioxide is produced by the glucose breakdown", "The carbon dioxide is exhaled out of the body through the nose or mouth." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Magma is formed when rock melts inside the Earth's crust", "Magma rises", "Collects inside magma chambers underneath a volcano", "Pressure builds in the magma chambers as they fill", "Gain energy for eruption", "Some of the energy is converted into seismic activity (earthquakes)", "If the magma building in the volcano is thick and sticky it will trap gases", "Results in an explosive eruption when the pressure becomes too intense", "If the magma is thin and runs", "The magma results in a low-pressure, slow-moving flow of magma instead of a violent eruption", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Coal is loaded into the firebox", "The boiler produces steam under high pressure", "The steam generated in the boiler flows down into a cylinder", "Just ahead of the wheels, pushing a tight-fitting plunger, the piston", "The piston is connected to one or more of the locomotive's wheels through a kind of arm-elbow-shoulder joint called a crank and connecting rod", "As the piston pushes, the crank and connecting rod turn the locomotive's wheels and power the train along", "An outlet valve opens and the piston pushes the steam back through the cylinder and out up the locomotive's chimney", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Rain falls on wood", "The rain seeps into the wood surface", "It permeates the wood", "When rain evaporates it leaves the wood", "It takes the finish of the wood with it", "The wood begins to lose it's luster", "It begins to look bad", "It has pieces of paint missing from the rain", "It gets worse when it rains", "It eventually will have no paint left." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Batteries are put in a flashlight", "The flashlight is turned on", "Two contact strips touch one another", "A circuit is completed between the batteries and the lamp", "The lamp in the flashlight begins to glow", "The reflector in the flashlight directs the lamp's beam", "A straight beam of light is generated", "The flashlight is turned off", "The circuit is broken", "The beam is no longer visible." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Water flows into the dishwasher", "The dishwasher heats the water", "The detergent dispenser opens at the right time", "Water is shot through the jets to clean the dishes", "The dirty water is drained", "More water is sprayed to rinse the dishes", "The water is drained again", "The air is heated in the dishwasher to dry the dishes." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Wind and water erode rocks", "The wind and water pick up sediment that came off the rocks", "Sediment is carried to an area by the wind, water, air, or ice", "Sediment is deposited on the same spot many times", "The sediment piles on top of other sediment for a long time", "The sediment near the bottom is compressed by the weight of newer sediment", "The sediment becomes sedimentary rock as it is pushed together by the heavy weight", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Warm weather causes water to evaporate", "The water rises up in the air", "It starts to cools down", "The water starts to condense", "It forms into clouds", "When there is enough moisture in the clouds it starts to rain." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Plants and animals long ago died", "They are buried under layers of soil", "Pressure builds over time", "The remains liquefy", "The carbon atoms rearrange to become a new substance." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Sunlight passes through the glass into the greenhouse", "The plants and floor absorb the the sunlight", "The absorbed sunlight is converted to heat", "The heat cannot escape the glass", "The heat is trapped in the greenhouse", "The hot air rises", "The colder air at the top is pushed to the bottom", "The colder air is then warmed by the floor and the plants." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "The diaphragm contracts", "The lungs expand", "Air is pulled from outside the body, into the lungs", "The membranes in the lungs collect oxygen molecules", "Oxygen is transferred to red blood cells", "Red blood cells distribute oxygen throughout the body", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "The coffee pot is filled with water", "Water is poured into the well of the machine", "A filter is placed in the basket", "Ground coffee is measured into the filter", "Turning on the machine starts the water heating", "The hot water rises up", "The water drops into the ground coffee", "The hot water passes through the grounds", "The coffee drips into the pot from the basket." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "A bird picks a spot high spot, often in a tree", "The bird collects bits of sticks and grass", "The sticks and grasses are placed between support branches", "Leaves, mud and spider webs are added to the sticks", "The mud, leaves and webs glue the sticks together", "The solid nest supports the eggs", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "There is a fetus in the womb", "They are born and are a baby", "The baby grows into a child", "Puberty turns the child into an adolescent", "The adolescent becomes an adult", "An adult becomes an elderly person", "The elderly person dies." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Sediment becomes loose from the rest of the soil", "The sediment rolls down hill towards a river", "The heavy items sink to the bottom", "The lighter items float on the top and in convection cycles", "As the river flows the sediment is moved", "The sediment gets dumped through tributaries into lakes and the ocean", "The sediment keeps moving around the world in convection currents." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "EGG", "ITS LAID ON A LEAF OR PLANT", "THE EGG HATCHES", "THE LARVA COMES OUT(CATERPILLAR)", "IT BEGINS TO EAT ON THE LEAF THAT IS WAS BORN ON", "CONTINUES TO EAT TO GROW QUICKLY", "AFTER ITS GROWN TO FULL LENGHT IT FORMS INTO A PUPA", "UNDERGOES METAMORPHOSIS TO BECOME BUTTERFLY", "AFTER HE BUTTERFLY IS FOMED IT PUMPS BLOOD INTO ITS WINGS TO GAIN STRENGHT TO BE ABLE TO FLY", "TH EBUTTERLFY IS FIANLLY ABLE TO FLY AWAY." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Owls hunt around their hunting territory away from where they roost during the day", "They sit still on a perch, like a stump of branch, and wait for prey", "They use their highly sensitive hearing to locate prey that cannot be seen", "They use their very keen vision to see prey in the dark", "They fly silently, without flapping their wings, in order to surprise the prey", "The owl silently glides or drops on its prey, grabbing it with its talons and beak", "The owl eats the prey, or carries it back to its perch", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Bees first secure the perfect spot, such as hollow areas of trees", "Bees will begin to chew max until it becomes softened", "The chewed up wax will be stored inside of a honeycomb", "Worker bees continue chewing and softening wax from within", "The chewed up wax is steadily added, making the hive bigger and bigger", "The bees will house nectar, honey and pollen within the honeycomb's cells", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "The bat sends out sound waves from their mouth or nose", "The sound waves hit an object", "Echoes are produced", "The echo returns to the bat's ears", "The bat hears the echo", "The bat can figure out where the object is located." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Humans are born as babies", "Babies become infants", "Infants become children", "Children learn skills", "Children become teenagers", "Teenagers undergo puberty", "Teenagers become adults", "Adults have children", "Adults become elderly", "Elderly humans die." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "The earth develops cracks deep beneath the surface", "The cracks get very long and big in some places", "The earth places pressure against the rocks on both sides of the cracks", "The pressure causes the rocks to press against each other very hard", "The cracks continue to develop", "The earth moves against itself on both sides of the cracks", "The pressure and movement around the cracks causes the rocks to crumble in some places", "A lot of energy is released", "The energy causes seismic waves", "The seismic waves move the earth in an earthquake." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Carbon dioxide from the air passes through small pores (holes) in the leaves", "These pores are called stomata", "Water is absorbed by the roots and passes through vessels in the stem on its way to the leaves", "Chlorophyll absorbs the sun's energy", "It is this energy that is used to split water molecules into hydrogen and oxygen", "Oxygen is released from the leaves into the atmosphere", "Hydrogen and carbon dioxide are used to form glucose or food for plants." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "A mushroom gives off gills lined with basidia", "The basidia gives off spores", "The spores germinate", "The spores create Hyphae", "Multiple Hyphae meet and converge", "They join with Mycelium", "A hyphal knot forms in the ground", "A primordia shoots out of the ground", "A mushroom cap is formed." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Food is taken into the mouth", "The food is chewed", "Saliva mixes with the food and starts breaking it down", "The chewed food travels down the esophagus to the stomach", "The stomach secretes acid", "Grinds and mixes the food", "The food moves to the small intestine", "The small intestine uses enzymes to further break down the food", "The food passes into the colon", "The food is expelled from the body." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Forest fires burn forests", "The animals living in the forest have fewer places to hide", "Predators can now find their prey eaiser", "Birds will fly away from the area", "Waters warm up which hurts the fish swimming in them." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Wind passes the turbines and moves the blades", "The shaft of the turbine spins", "Shaft is connected to a generator", "The generator uses the spins of the shaft to rotate a rotor", "The rotor spins inside the core, which has magnets inside surrounded by wire loops inside", "The spinning of the rotor in the core generates electricity", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Skin is cut or damaged", "Bacteria enters through the wound", "The bacteria reproduces and spreads", "Causes symptoms", "The bacteria is either fought off or becomes a disease." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Oil is gathered through mining operations", "The oil is transported to stores", "Oil is purchased by homeowners", "Oil is placed into a stove in the house", "The oil is lit on fire, and burns for a long time", "The warm air off of the oil travels through the house", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "You speak into the receiver on your phone", "Sound waves move parts inside the receiver", "Movement causes the magnet inside to produce eletricity", "Electricity is transferred through a wire or cable", "A membrane in the other persons phone is vibrated by the magnet in their telephone", "Sound is produced", "They hear you." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "A stream or river must occur", "Through erosion, the stream cuts into the soil and bedrock", "Through continuous erosion, a deep gash is cut through", "After many years the river may dry up", "A dry ravine is left", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Blood sugar levels increase after a meal", "Cells in the pancreas release insulin", "Insulin causes the body to absorb glucose from the blood", "Blood sugar goes back to normal", "Blood sugar is too low", "The amount of insulin goes down", "Cells in the pancreas release glucagon", "The liver turns stored glycogen into glucose", "The liver releases the glucose into the blood", "Blood sugar goes back to normal." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Acid rain leaches aluminum from clay particles in soil", "Aluminum flows into streams and lakes", "Acid rain dissolves minerals and nutrients in soil", "Washes them away so plants can't benefit from them", "PH in soil and water gets affected which can kill plants and animals", "Acid rain in fog at higher elevations can strip foliage off trees." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Food", "Water enter the body", "Bloodstream", "Food and water enter the pancreas", "The pancreas breaks down carbs", "Helps digest other foods and liquids." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "A bird lays eggs in a nest", "The parent(s) incubate the eggs", "The eggs hatch", "The mother (and sometimes the father) bird take care of the baby birds", "The baby birds grow up and get their flight feathers", "The young birds learn to fly and leave the nest", "The adult birds find mates and mate." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Water is heated", "The heated water evaporates", "The salt is left behind", "The evaporated water condenses on a cold surface", "The evaporated water is collected", "The process is repeated", "More salt is removed from the water." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Bees go out during the day and gather food", "Then while gathering of their food, they make wax, which is the building block of their bee hive", "Bees make food called honey", "They use a sticky, glue-like substance called propolis as a binding to hold their hives together", "Bees produce all of the building blocks to build their hive in their own body", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "A conducting metal, like copper, is wrapped around a piece of metal", "An electrical source, like a battery, produces an electrical current", "The electrical current flows through the wire", "The electrical current creates a magnetic field around the wire, magnetizing the metal", "The magnetic field can be turned on and off by starting or stopping the electricity source", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Air is brought in through the mouth", "Passes through the lungs", "And into the bronchial tissue", "The carbon dioxide is removed", "The lungs bring the oxygen to the rest of the body." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "There is a fetus in the womb", "They are born and are a baby", "The baby grows into a child", "Puberty turns the child into an adolescent", "The adolescent becomes an adult", "An adult becomes an elderly person", "The elderly person dies." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "An egg is laid by a mother bird", "A baby bird forms within the egg if it is fertilized", "The baby bird begins pecking out of the egg", "The baby bird is unable to fly to get food", "The mother bird must feed the baby bird food", "The bird grows stronger and grows wings", "The bird is able to fly", "The bird is able to leave the nest and find food", "The bird is able to reproduce." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "The liver removes toxins from the blood", "Liver also cleans blood that has just been enriched with vitamins and minerals during digestion", "Liver processes the good stuff into forms that the rest of the body can use", "Waste or stuff your body doesn't need can be carried by bile back into the intestine or into the kidneys", "The liver also produces a digestive juice called bile that helps the body absorb fat into the bloodstream", "The liver also stores extra carbohydrates as glycogen for the body to use as fuel when needed." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Electrical signals in the brain travel through nerves to muscles", "Two types of proteins exist in filaments in the muscles", "The filaments move when the brain instructs them to", "The motion of the filaments cause the muscle to shorten and contract", "Opposing pairs of muscles exist in order to provide the necessary range of motion." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Open the Dishwasher", "Slide out the bottom rack", "Take a dirty plate", "Rinse the plate", "Place the dish in the rack", "Repeat leaving enough space for water to reach all items", "Fill the soap cup", "Turn on the dishwasher." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Dead organic material accumulates on the bottom of oceans, riverbeds or swamps, mixing with mud and sand", "Over time, more sediment piles on top", "The resulting heat and pressure transforms the organic layer into a dark and waxy substance known as kerogen", "Left alone, the kerogen molecules eventually crack", "The molecules break up into shorter and lighter molecules composed almost solely of carbon and hydrogen atoms", "It will turn into either petroleum or natural gas", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Food is taken into the mouth", "The food is chewed", "Saliva mixes with the food and starts breaking it down", "The chewed food travels down the esophagus to the stomach", "The stomach secretes acid", "Grinds and mixes the food", "The food moves to the small intestine", "The small intestine uses enzymes to further break down the food", "The food passes into the colon", "The food is expelled from the body." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Rinse the dishes before placing them in a dishwasher", "Load glasses and plastic wear on the top rack", "Put plates, bowls, pots, and pans on the bottom rack", "Place all the utensils in the utensil basket", "Put detergent into the detergent holder", "Close the door and push the start button", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "The bird picks a tree", "The bird collects twigs and other refuse", "The bird makes a flat base with twigs", "The bird makes sides with twigs and other things", "The bird adds softer material to the inside", "The nest is done." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Plates on the Earth's crust move slowly past each other", "As the plates move, they exert a great force", "When the force is large enough, the crust breaks", "The stress is released as energy", "The energy moves through the Earth in the form of waves", "We feel the earthquake", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Place the water in a pot", "Cover the pot with a slightly too large cover", "Place a larger pot under the first", "Heat water to evaporation", "Water vapor will collect on the lid", "Drip into the second pot as fresh water", "Salt is left behind in the original pot." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "The human body takes a breath inward", "Air is transported to the lungs", "Air reaches the alveoli, the smallest air sacs in the lungs", "In the alveoli, air passes into the blood within small capillaries", "The gaseous oxygen in the air dissolves into the capillary blood", "The dissolved oxygen is picked-up by red blood cells", "The red blood cells bind the oxygen via a protein called heme", "Red blood cells circulate throughout the body and reach the various tissues", "Within small capillaries, the heme release the oxygen", "The oxygen can then reach the cells within the tissue", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Fluid", "Waste enters the kidneys", "A processing moment in the kidneys let waste and fluid pass", "Prevents larger molecules to pass", "Fluid goes back to the bloodstream", "Bad waste is removed", "The final product is turned into urine." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Skin is cut or damaged", "Bacteria enters through the wound", "The bacteria reproduces and spreads", "Causes symptoms", "The bacteria is either fought off or becomes a disease." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "People dig up coal from the ground", "People burn coal for heat or electricity", "Pollution from the coal goes into the sky", "Coal pollution enters clouds", "Clouds rain over an area", "The polluted rain becomes acid rain." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Boil salt water", "The water will turn into water vapor", "Collect the water vapor", "Allow the water vapor to cool", "The water vapor will turn into liquid water", "The salt will be separated from the water." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Human beings burn fossil fuels (oil, gas, etc.)", "Carbon dioxide from the burning fossil fuels enter the atmosphere", "The make-up of the atmosphere changes", "Some energy from the sun cannot escape back through the changed atmosphere", "The earth begins to heat because of the extra trapped energy", "Human beings cut down trees", "Human beings do not re-plant the trees", "Trees cannot help take the extra carbon dioxide from the atmosphere", "The extra trapped energy starts to change the earth's short term weather", "Eventually the long-term climate patterns start to change", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "The bat sends out sound waves from their mouth or nose", "The sound waves hit an object", "Echoes are produced", "The echo returns to the bat's ears", "The bat hears the echo", "The bat can figure out where the object is located." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "Coal is loaded into the firebox", "The boiler produces steam under high pressure", "The steam generated in the boiler flows down into a cylinder", "Just ahead of the wheels, pushing a tight-fitting plunger, the piston", "The piston is connected to one or more of the locomotive's wheels through a kind of arm-elbow-shoulder joint called a crank and connecting rod", "As the piston pushes, the crank and connecting rod turn the locomotive's wheels and power the train along", "An outlet valve opens and the piston pushes the steam back through the cylinder and out up the locomotive's chimney", "" ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }

[ "One type of air pollution is the addition of carbon dioxide gas into the air", "Some scientists believe that releasing too much carbon dioxide into the atmosphere is one of the causes of global warming", "This upsets the balance of the carbon cycle", "The ozone layer helps protect us from harmful rays from the sun", "It is getting damaged from air pollution such as methane gas from livestock and CFCs from spray cans", "Acid rain is created when gasses such as sulfur dioxide get high into the atmosphere", "The wind can blow these gasses for miles and then they get washed out of the air when it rains", "This rain is called acid rain and can damage forests and kill fish." ]

{ "text": [ "more", "less", "no effect" ], "label": [ "A", "B", "C" ] }