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**blank** is used to tell if there is sugar in a glass of tea

Taste

**blank** is given off by plants

Oxygen

**blank** of these substances conducts electricity the best

Copper

A sign that an apple tree is going to start growing apples is when the tree has ___ **blank**

flowers

**blank** of these can be mined from earth and used as an energy source

Coal

**blank** of these most likely has the greatest mass

Horse

a nonliving part of a forest is **blank** of these

Soil

**blank** of these best describes the way a feather feels

Soft

Mold is often found growing on old bread. In a food chain, mold is a **blank**

decomposer

Students are studying some leaves. They group the leaves by shape. Which science process are the students using **blank** they put the leaves in different groups

classifying

A teacher places an item in a box. The item takes the shape of the entire container. This item is most likely **blank**

air

Sterling silver is a combination of silver and copper. **blank** of the following is also a combination of two or more metals

brass

a harmful waste material that leaves the blood and travels through the lungs before leaving the body is **blank** of the following

CO2

**blank** of the following forms of energy can travel by vibrating particles of air

sound

A statue and a table are both made of the same type of marble. **blank** of the following properties will most likely be the same for both of these objects

hardness

**blank** of rock is formed when hot lava cools

igneous

Heat, light, and sound are all different forms of ___ **blank**

energy

**blank** animal develops inside its mother before it is born alive

Cat

an example of a single-celled organism is **blank**

amoeba

**blank** allows green plants to control the amount of water stored in their leaves

transpiration

A pot is heated on a stove. **blank** process causes the metal handle of the pot to also become hot

conduction

Earth makes a complete revolution around the Sun about once every **blank**

year

**blank** measures atmospheric pressure

barometer

In the construction of a house, the words excavation, slab, and footing are associated with the **blank**

foundation

In a food chain, living organisms that eat plants and are a food source for other animals are called **blank**

herbivores

Support cables in a suspension bridge are most stressed by **blank** of the following forces

tension

the primary type of stress that a fixed vise exerts on a piece of wood is **blank** of the following

compression

**blank** uses oxygen and glucose to provide energy to the cell

mitochondrion

**blank** of the following organs is not situated in the abdomen

heart

**blank** could cause rust to form on a metal can

Oxygen

**blank** is nonrenewable

petroleum

a scientist is using **blank** when sorting rocks into two groups based on physical appearance

classifying

Electrical energy may sometimes be converted to mechanical energy. **blank** of these appliances converts electrical energy into mechanical energy

fan

Solids, liquids, and gases are all different states of **blank** of the following

matter

the best conductor of electricity is **blank**

water

the downward movement of water through pores and other spaces in soil due to the force of gravity is **blank**

percolation

According to Newton's first law of motion, **blank** counteracts gravity to keep a satellite in orbit

inertia

The list below gives some symptoms of people with the common cold. Symptoms of the Common Cold stuffy nose low fever sore throat cough **blank** body system is most affected by the common cold

Respiratory

**blank** contains about 75 % of the gasses and almost all of the water vapor

troposphere

Iron oxide, also known as rust, is formed **blank** iron chemically combines with oxygen. Which term best describes iron oxide

compound

Sodium chloride is formed **blank** sodium and chlorine chemically combine. Which term best describes sodium chloride

compound

a compound is **blank**

ammonia

**blank** forms a barrier between internal body structures and the external environment

integumentary

**blank** replenishes a large portion of the atmospheric oxygen supply

plants

The bottom of the space shuttle is covered with ceramic tile. This material was chosen because it withstands **blank**

heat

**blank** of force keeps the planets orbiting the sun

gravitational

The engine of an automobile is part of **blank** type of system

propulsion

Steel is used for cables in suspension bridges because of its capacity for **blank**

tension

The manufacturing process used to permanently put parts together is called **blank**

assembling

**blank** of the following planets has the shortest orbit around the sun

Mercury

**blank** of a communication system converts binary codes in a computer into recognizable characters

decoder

The terms gas exchange, diaphragm, and inhale are most closely associated with **blank** system in the human body

respiratory

**blank** of the following colors of visible light has the longest wavelength

red

The molecule ATP is composed of elements commonly found in organic molecules. **blank** of the following is one of these elements

phosphorus

Two spotted leopards produce a litter of four cubs. Three of the cubs are spotted and one is solid black. The black coat is probably **blank** type of trait

recessive

**blank** of the following must be included with magnitude to represent a vector

direction

in **blank** does earth orbit the sun

year

**blank** you bend your arm at the elbow, the bones and muscles in your arm are acting as a system. What simple machine does this system represent

Lever

Years ago farmers found that corn plants grew better if decaying fish were buried near by. **blank** did the decaying fish probably supply to the plants to improve their growth

minerals

Oil is an example of a natural resource that is not renewable. **blank** is another example of an nonrenewable resource

Coal

**blank** of the following is not a mixture

Sugar

**blank** of the following organs in fish has the same function as the human lung

gill

The Sun is an example of **blank** of the following

star

The gallbladder stores bile, a fluid that aids in digestion of fat. **blank** of the following types of food should be avoided by a person whose gallbladder has been removed

cheese

In living things, large and complex molecules are broken down into small and simple molecules. **blank** is this process called

digestion

**blank** contains the highest percentage of protein

chicken

**blank** of the following animals have been on earth for the longest period of time

Fish

**blank** of the following is caused by a virus

influenza

Robert put two drops of an indicator into vinegar, and the color turned red. He then added drops of ammonia solution until the color disappeared. **blank** process occurred

neutralization

The following waste materials are buried in a landfill. **blank** will break down most quickly

paper

the chemical formula for carbon dioxide is **blank**

CO2

A student is asked to measure the distance from the floor to the ceiling in a classroom. **blank** unit of measurement should the student most likely use to accurately measure this distance

meter

**blank** would best help a student determine if two substances are made of two different elements

density

A student divides several cubes into two groups, based on whether or not each cube can float in later. **blank** property is the student using to classify the cubes

density

Carbon dioxide produced by cells is removed from the body primarily by **blank** body system

respiratory

**blank** of the following has a warmer average surface temperature than earth

Venus

Warm air masses that rise over Earth's equator move north or south. This movement is primarily the result of **blank** of the following processes

convection

A growing community relies on a nearby lake to provide fresh water for drinking and bathing. An increase in the use of fresh water will cause the lake to become **blank**

smaller

Fossil fuels are common sources of energy. **blank** type of pollution is most often associated with burning fossil fuels

air

**blank** of the following is made of atoms

air

When soil becomes saturated during rainfall, excess water begins to collect on the surface. Downslope movement of this excess water to rivers, lakes, and streams is called **blank**

runoff

Two galaxies are interacting with each other. **blank** is the force that draws these two galaxies toward each other

gravity

Bass tapeworms attach to the gills and intestines of bass fish. These worms survive by taking nutrients from the bass. **blank** type of relationship does this represent

parasitism

**blank** process below uses carbon dioxide and the sun's radiant energy to produce chemical energy

Photosynthesis

As a river enters a larger body of water, sediments are deposited over a wide area. **blank** of these landforms is likely to be formed at the site of deposition

Delta

**blank** of the following compounds is most likely to be part of living organisms

CHO

**blank** of the following planets is always closer to the sun than it is to earth

Mercury

A stone arch bridge relies primarily on **blank** of the following for its load strength

compression

Leopard's opening chant suggests that he is **blank**

confident

**blank** typically recognizes , attacks , and destroys foreign cells or substances that may cause disease

immune

**blank** of the following is produced when two or more elements combine in a chemical reaction

compound

**blank** of the following units best represents the density of an object

gcm3

Heat energy from the Sun is transferred to Earth primarily by **blank** of the following processes

radiation

A ship has a satellite communication device to identify the ship's position at sea. For **blank** of the following activities is this device most likely used

guidance

**blank** of the following could occur as a result of decreasing the heat energy of a gas

condensation

Muscle cells need to quickly convert energy from food molecules into a usable form. For this reason, **blank** of the following do muscle cells have in greater numbers than most other types of cells

mitochondria

**blank** do plants get most of the energy they need to live and grow

sunlight

an example of a renewable energy resource is **blank**

biomass

**blank** human body system attacks viruses and bacteria once they have invaded the body

immune

a nonrenewable natural resource that is used to make electrical energy is **blank**

coal