Unit 19 Vocabulary

What does the word 'change' mean?

• To remain the same

• To make or become different

• To destroy

• To create

The word 'conserve' means:

• to use up

• to preserve

• to destroy

• to ignore

The word 'crust' means:

• a type of bread

• the outer layer of the Earth

• a type of pie

• a type of cheese

What does the word 'Earth' mean?

• The third planet from the Sun

• A type of soil

• The surface of the world

• All of the above

The word 'energy' means:

• a force or power that enables movement or activity

• a type of food

• a form of rest

• a kind of music

The word 'environment' refers to:

• the natural world, including the land, water, air, plants, and animals

• a type of clothing

• a specific type of food

• a musical instrument

The word 'erosion' means:

• the process of building up soil and rock

• the process of wearing away soil and rock

• the process of planting trees

• the process of creating new landforms

The word 'flood' means:

• a large amount of water covering an area that is usually dry

• a small stream of water

• a type of plant

• a type of animal

The word 'layer' refers to:

• a single thickness of a material covering a surface

• a type of fruit

• a musical instrument

• a mathematical equation

The word 'litter' means:

• a group of young animals born to an animal at one time

• a type of trash or waste material

• a device for carrying a sick or injured person

• all of the above