Rocks and Soil

What is humus?

• a dip for chips

• the bottom layer of soil

• the part of soil made of broken-down pieces of dead plants and animals

• I dont know

What is sand?

• soil with grains of rock that you can see with your eyes alone

• sand paper

• dirt

• I dont know

What is soil with grains of rock that are too small to see with your eyes alone?

• Clay

• Sand

• Silt

• humus

What is soil with very very tiny grains of rock?

• Clay

• Silt

• sand

• loam

What is soil that is a mixture of humus, sand, silt, and clay?

• Clay

• Silt

• Loam

• Humus

What is topsoil?

• The top layer of soil.

• The bottom layer of soil

• Something that grows in gardens

• I dont know

What is the layer of soil called that has small rocks in it (above bedrock)

• topsoil

• humus

• grass

• subsoil

What is bedrock?

• The top layer of soil made of dead plants and animals

• The layer of soil that has little rocks in it.

• The bottom layer of soild that holds solid rock.

• I dont know

What type of rock is made by being once melted and then it cooled and hardened?

• Sedimentary

• Igneous

• Metamorphic

• Humus

Tags

NGSS.MS-ESS2-1

What kind of rock is made when minerals settle into layers and get squeezed until they harden into rock?

• Igneous

• Metamorphic

• Sedimentary

• Bedrock