1) Choose the best answer.

Question

The part of the earth’s surface that is made up of tiny pieces of rock and humus is called _____.

rock

soil

clay
2) Choose all that apply.

Choose FOUR things that make up soil.

humus

water

air

fossil fuels

animals

broken-down pieces of rock
3) Choose the best answer.

The part of soil that has living, dead, and decaying things is called _____.

clay

humus

subsoil
4) Choose the best answer.

To _____ means to rot or break down.

decay

reduce

flow
5) Choose the best answer.

A _____ is something that plants and animals need to live.

flowerpot

nutrient

soil

Answer 1

1. The part of the earth’s surface that is made up of tiny pieces of rock and humus is called soil.

2. Choose FOUR things that make up soil:

• humus
• water
• air
• broken-down pieces of rock

3. The part of soil that has living, dead, and decaying things is called humus.

4. To _____ means to rot or break down. decay

5. A _____ is something that plants and animals need to live. nutrient