Macmillan McGraw-Hill Science

Living in a group makes it easier for animals to find food, to be better protected, and to care for their young.

• true

• false

What is "energy from the Sun" called?

• Solar energy

• Mechanical energy

• Chemical energy

• Electrical energy

12. What is a solution?

• a type of mixture in which the particles of one material are scattered through another without settling out

• a mixture of substances that are blended so completely that the mixture looks the same everywhere

• a physical combination of two or more substances that are blended together without forming new substances

9. Which of the following would make sugar dissolve faster in a cup of water?

• Add cold water and stir.

• Let water evaporate away.

• Add warm water and stir.

• Add more sugar and stir.

A change in a characteristic of a living thing that allows it to survive in its environment is called _____________.

• an adaptation

• an ecosystem

• migration

Some living things are protected by looking like other things. This is called _______.

• protection

• behavior

• mimicry

• camouflage

_________is the movement of sediment from one place to another.

• Erosion

• Weathering

• Deposition

• Movin on up!

Anything that makes the air, land, or water dirty is called _________.

• migration

• pollution

• adaptation

Which of the following layers is made of magma?

• The crust

• The mantle

• The outer core

• The inner core

The process by which water, ice, wind or gravity moves weathered rock and soil from one place to another.

• weathering

• erosion

• deposition

• dumptruck