What is humus?

• The decayed remains of plants and animals.
• The loose material that covers much of Earth's surface.
• Something you eat! 

Tags

NGSS.5-LS2-1

What type of soil is made from a mixture of sand, silt, and clay?

• sand
• silt
• clay
• loam

Soil takes many ________ to form.

• days
• months
• years

Tags

NGSS.MS-LS2-3

This type of soil is usually red in color and is very sticky when it's wet. 

• sand
• clay
• silt
• loam

Why are nutrients good in the soil?

• they help the plants grow healthy
• they provide a place for the roots to grow
• they soak in all the water

Soil is good for all of the following EXCEPT:

• making a compost heap
• planting a garden
• providing food to people and animals
• making a computer work

Which soil is best for gardening?

• sand

• loam

• clay

• plants

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Which soil doesn't hold water, but allows it to pass through?

• sand

• loam

• clay

• air

Tags

NGSS.MS-ESS2-4

Which of these is NOT part of the contents of soil?

• weathering

• water

• air

What is soil mostly composed of?

• mineral matter
• air
• organic matter
• water