Little Science Thinks: Earth's Surface

Earth is made of many layers.

• True

• False

Most of the Earth's surface is covered with

• water

• trees

Rocks and minerals are made

• in nature

• by people

Three types of rocks are sedimentary, igneous and

• gray

• metamorphic

Something found in nature and used by people is called a

• good

• natural resource

What is a natural resource?

• air

• computers

The outer layer of Earth is called the

• inner core

• crust

Rocks and minerals are

• the same

• different

Rocks and minerals change over time

• True

• False

Rocks come in different sizes, shapes, and textures.

• True

• False