Soil

Which of the following is NOT a type of soil? 

• Silt 
• Tundra
• Clay 
• Topsoil

What forms after a rock has been weathered over many years?

• streams
• lakes
• soil
• valleys

Where does organic matter in the soil come from?

• air
• water
• living things

Which type of soil holds water the best?

• sand
• silt
• clay
• bedrock

Which type of soil does water flow through quickly?

• sand
• silt
• clay
• bedrock

Sand feels___________ and is made up of ____________ rock particles.

• smooth, large
• sticky, small
• grainy, small
• grainy, large

Which of these is a reason soil is an important resource?

• It helps plants grow
• It allows us to grow food
• It allows us a solid place to build homes and buildings
• all of the above

What do you call the process where over many years, rocks are broken down by weather, water, and living things?

• weathering

• precipitation

• evaportation

• pollution

This component of soil is made up of very tiny particles of soil that hold water well and provide nutrients.

• clay

• silt

• sand

What are the components of soil?

• rock, trees, sand, clay, and worms

• humus, rock, sand, silt, and clay

• worms, trees, sand, rock, and plants

• rock, clay, sand, silt, and nutrients