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A predator is an animal that feeds on other animals. **blank** of these is a predator

wolf

Calcium is a mineral that helps make your bones and teeth strong. **blank** of these foods is the best source of calcium

cheese

**blank** is most likely to cause damage when hitting the roof of a car

hail

A student sorted mineral samples into two groups: dull and shiny. **blank** of the following properties did the student use to sort the mineral samples into groups

luster

**blank** of the following metals will be attracted to a magnet

iron

**blank** of the following organisms would most likely get its food energy only from consumers

hawk

The Sun is the largest body in the solar system. The Sun is a ___ **blank**

star

**blank** of the following processes makes it possible for plants to use energy from sunlight to produce their own food

photosynthesis

During **blank** stage of its life cycle does a butterfly spend the most time eating plant leaves

larva

**blank** makes a compass needle point north

magnetic

Glaciers are slow-moving sheets of ice found on land. What process occurs **blank** glacial ice is heated to 5° Celsius

melting

a producer is **blank**

grass

**blank** is most responsible for recycling dead plants and animals in an ecosystem

bacteria

After a rain, a puddle of water remains on a sidewalk. After a day of sunshine, the puddle is gone. **blank** process is most responsible for the disappearance of the puddle

evaporation

**blank** processes foods into a useable source of energy

digestive

A student rubs her hands together on a cold winter day. The heat that warms her hands is produced by **blank**

friction

**blank** will stay the same when it is stretched

mass

water have a definite shape and volume in **blank**

solid

**blank** of a plant takes in water and nutrients from the soil

root

**blank** is identified using the sense of smell

odor

the major source of energy for food chains is **blank**

sunlight

Some birds fly south in the fall and return in the spring. This is an example of **blank**

migration

**blank** of energy is needed to cut a piece of wood into smaller pieces with a saw

mechanical

the best conductor of electricity is **blank**

metal

**blank** causes objects to be pulled toward earth

gravity

**blank** allows it to bend

flexibility

A ball is thrown up into the air. **blank** force causes the ball to fall to the ground

gravity

**blank** is most likely to occur because the air temperature is 90 °f

sweating

The energy that is stored in food originally comes from **blank**

sunlight

When two animals live in the same area and depend on the same organism for food, they are **blank**

competing

**blank** is produced when a guitar string vibrates

sound

A student rubs his hands together to warm them. His hands get warm due to **blank**

friction

**blank** describes how easily electricity travels through it

conductivity

pieces of rock material being moved over earth 's surface by water and wind are during **blank**

erosion

The main function of a fish's fins is to help the fish **blank**

move

Green plants get the energy they need to make food from **blank**

sunlight

an example of a nonliving thing is **blank**

water

**blank** results in day and night

rotation

**blank** is produced when paper is burned

heat

**blank** causes a bicycle to slow down when the brakes are used

friction

**blank** organisms break down and recycle dead plants and animals

decomposers

A dog growls when a predator gets close. Growling is an example of **blank** animal behavior

communication

an example of a life process is **blank**

reproduction

There is a shadow under a tree. **blank** form of energy must be present for the shadow to occur

light

Matter is defined as anything that takes up space and has **blank**

mass

The hardness, odor, and taste of an object can all be **blank**

observed with the senses

**blank** would absorb the most light on a sunny day

black

**blank** causes a soccer ball to fall to the ground after it has been kicked up in the air

gravity

Volume and mass are properties of **blank**

matter

**blank** is common to most living things

reproducing

animals increase during **blank** in size

growing

**blank** of organism helps return nutrients from dead plants and animals to the soil

decomposer

**blank** occurs when ocean waves drop seashells on a beach

deposition

**blank** of measurement should be used to describe the mass of an apple

gram

**blank** describes the texture of a kitten 's fur

soft

best classified as a nonrenewable resource is **blank** of the following

Aluminum

**blank** of these warms most of the air, water, and land on Earth

Sunlight

Ice cubes are an example of **blank** form of water

Solid

Most plants begin their life cycle as ___ **blank**

seeds

Students collect pond water in their beakers. **blank** is the best unit of measurement for the volume of water they collect

Milliliters

Seeds that remain inactive until the right conditions of light, water, and soil are present are called ___ **blank**

dormant

A bicyclist rides on a flat road and then stops pedaling but does not apply the brakes. The bicycle stops because of ___ **blank**

friction

**blank** of these senses lets dora know when a skunk has been close to her house

Smell

In winter, the arctic fox has white fur. In summer, its fur changes color to brown and gray. The change in fur color helps the arctic fox to ___ **blank**

hide

plants need **blank** of the following to make their own food

Sunlight

**blank** of a sunflower plant absorbs water and nutrients

Roots

**blank** of these can make a shadow on the ground during the day

Cloud

All animals need air to survive. An insect gets air through tiny holes on the sides of its body. A whale breathes through a blow hole. **blank** body part do fish use to breathe

gills

**blank** of the following is broken down in the body to release energy

sugar

All living things contain **blank** element

carbon

not a form of precipitation is **blank** of the following

Wind

the best conductor of electricity is **blank**

Metal

**blank** is most responsible for the uneven heating of the air in the atmosphere

convection

When a dog sees a cat, a message travels from the dog's eyes to the dog's **blank**

brain

**blank** helps people understand what makes up white light

Prism

A black bear eats many different things, including grasses, roots, and berries. It also eats insects, fish, and other small animals. **blank** of these BEST describes a black bear

Omnivore

Copper wire is often wrapped in plastic. Plastic material is a good **blank**

insulator

A wild turkey's forest community includes **blank**

insects

**blank** of these is needed in all stages of the butterfly 's life cycle

Air

The teeth of a carnivore are MOSTLY - **blank**

pointed

Having dry, hot weather for a long time can cause a **blank**

drought

All of the populations of species in an area make up a **blank**

community

**blank** of scientist would study the relationship between simple machines and energy

physicist

**blank** has six-sided transparent crystals that will scratch glass

quartz

**blank** serve as evidence for a scientific theory

observations

The temperature in a hot star is high enough to pull electrons away from atoms. **blank** state of matter results from this process

plasma

an animal belong to **blank** if it lays eggs and has scales and gills

fish

**blank** can dry out plants and cause wildfires

drought

A rock sample will most likely contain **blank**

minerals

the shadow of the school 's flagpole will be the shortest at **blank**

noon

a source of light is **blank** of the following

star

**blank** of the following properties provides the best way to identify a mineral

hardness

In the first half of this century, **blank** technology allowed people, for the first time, to work IN the city but live OUTSIDE the city

automobiles

an example of a human-made product is **blank**

cake

**blank** live part of their lives in water and part on land , and go through metamorphosis

amphibians

a consumer is **blank** of the following

rabbit

during **blank** below does water vapor change to liquid water

condensation

A caterpillar changing into a butterfly is an example of **blank**

metamorphosis

Gavin has two rocks. Both rocks are made up entirely of the same mineral. **blank** other property of his two rocks is most likely to be the same

color

Some plants grow only in specific places in the world. Some cacti, for example, grow only in deserts. Which of the following is most important in determining **blank** a plant can grow and survive

climate