C. Temperature and Time B. The apple has more mass than the orange.

C. Temperature and Time

B. The apple has more mass than the orange.

B. Town B

C. Volume of a liquid

C. Display data

D. Observe and ask questions

A. coloring

C.

D. camouflage

B. grass

B. Energy pyramid

B. Plankton, shrimp, fish, shark

D. All of the above

A. Rain decreased the temperature.

C. The river could overflow and flood the plain.

A. The soil is fertile and there is a good water supply.

C. It uses food stored in the egg.

B. 2, 4, 1, 3

B

A

B. 1, 3, 2, 4

B

A. X

D. Only Dick can hear clearly.

D. All will show the same weight.

B

B. The climate was warmer and wetter millions of years ago.

A. Mountain K

B. A landslide

B

A. It uses electricity to produce heat.

A. On top of the building

B. down

B. Cheetah and peregrine falcon

D. Ball N

D

A. Chair 1

D

D. They are different sizes.

D. Birds, trees, worms

D. All objects have mass.

A. flower

D. An apple core.

One kind of plant adaptation is color. How does colorhelp a plant survive?

A. A plant’s color protects it from enemies.B. A plant’s color helps it hold water.C. A plant’s color attracts animals to pollinate it.D. A plant’s color helps it grow toward the Sun.

C. A plant’s color helps attract animals to pollinate it.

Which of the following is a natural changeto a habitat?

A. hurricaneB. pollutionC. people building a houseD. a machine knocking down trees

A. hurricane

When a habitat changes, it may not have food,water, shelter, or living space for the plants and animals. Which would you expect to happenafter this kind of habitat change?

A. The plants and animals will not be affected.B. The plants will be fine but the animals will be affected.C. The animals will be fine but the plants will be affected.D. The plants and animals my die or try to move to a new habitat.

D. The plants and animals may die or try to move to another habitat.

What role do decomposers play in a food chain?

A. They return nutrients to the soil.B. They make food for animals.C. They are eaten by producers.D. They return energy to the Sun.

A. They return nutrients to the soil.

What occurs when water covers land that is usually dry?

A. A deltaB. An earthquakeC. A volcanic eruptionD. A flood

D. A flood

Which Earth materials to crops need to grow?

A. aluminum and steelB. iron ore and copperC. wood and peatD. soil and fresh water

D. Soil and fresh water

Which slow process breaks rocks into smallerpieces?

A. erosionB. gravityC. weatheringD. deposition

C. weathering

During erosion, what usually carries loose,broken rocks to new places?

A. earthquakes and volcanoesB. plantsC. wind or waterD. landslides

C. wind or water

Which process or event changes Earth’s landquickly or rapidly?

A. volcanic eruptionB. depositionC. weatheringD. erosion

A. Volcanic eruption

What do most rivers flow into?

A. a stream or another riverB. a lake or a pondC. a sea or an oceanD. a glacier or an ice cap

C. a sea or an ocean

Where is most of Earth’s fresh water?

A. oceansB. glaciers and ice capsC. lakes and pondsD. rivers

B. Glaciers and ice caps

What are the smallest rock particles that make upsoil?

A. siltB. clayC. humusD. sediment

B. clay

What is humus made of?

A. tiny bits of rockB. sandC. decaying plants and animalsD. clay

C. decaying plants and animals

Which property can help you identify a mineral?

A. massB. shapeC. sizeD. hardness

D. hardness

What is luster?

A. how a mineral reflects lightB. the hardness of the mineralC. the color of a mineralD. the streak a mineral leaves

A. how a mineral reflects light

What type of fossil is formed when sand containing an imprint formed by a plant or animal becomes a rock?

A. tree sap fossilB. cast fossilC. mold fossilD. petrified wood

C. Mold fossil

How does a cast fossil form?

A. when a mold fossil is filled with sedimentsB. when a living thing is trapped in tree sapC. when a bone is preserved in tarD. when a living thing leaves a mark in sand

A. When a mold fossil is filled with sediments

What can scientists learn by studying fossils?

A. They can learn about the environment of the past.B. They can learn about what will happen in the future.C. They can learn about what ancient plants tasted like.D.They can learn about why club mosses grow in warm, wet weather.

A. They can learn about the environments of the past.