Soil 3rd Grade at BPS

Soil is made up of _____________________________.

• mInerals and humus

• water

• air

• all of the above

2. What is the main component of soil?

• water

• air

• mineral

• rocks

3. All living things have to have ________________to survive.

• candy

• juice

• water

• meat

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

4. ___________________can help add air to soil by creating tunnels and burrows to allow air inside.

• animals

• straw

• air conditioning

• shovel

5. ______________is made up of dead plants and animals.

• rock

• clay

• humus

• sand

6. There are ______________ main layers of soil underneath the surface.

• 6

• 2

• 10

• 3

7. The three layers of soil are _______.

• a. topsoil, subsoil, humus

• b. rock, subsoil, clay

• c. topsoil, subsoil, bedrock

• d. topsoil, subsoil, grass

8. What is the bottom layer of soil?

• topsoil

• bedrock

• subsoil

• humus

9. ________________ has the largest particles of all soils.

• humus

• clay

• loam

• sand

10. What type of soil is sticky when it's wet, but hard when it is dry?

• clay

• loam

• sand

• rocks