Earth's Surface: Rocks and Soil

What do we call the part of Earth that we walk on?

• Its outer part we can touch

• Its inner core

Which describes rocks?

• Water from lakes

• Hard parts of Earth

What are minerals?

• Nonliving things in rocks

• Drops of rain in streams

Why do rocks have different properties?

• They are made of minerals

• They are soft like pillows

Look at the picture of many rocks. What does it show about Earth's surface?

• It is made of only one rock

• It has many types of rocks

What is soil made of?

• bits of rock, water, and air

• Metal pieces and plastic trash

Which soil lets water soak through quickly?

• Clay soil with tight particles

• Sandy soil with loose grains

What is loose material that covers the Earth?

• clouds

• soil

• mountains

Which is a living part you might find in soil?

• Air bubbles in holes

• Small plants and animals

• Bits of broken glass

Look at the pictures labeled sandy soil and clay soil. Which picture shows soil where water would soak slowly?

• Clay soil near the river

• Rocky soil by the cliffs