What property of soil could be tested by rubbing soil between fingers?

• color
• ability to retain water
• weathering
• texture

small pieces of rock

• gravel

• sediment

• dirt

What property of soil could be tested by rubbing soil between fingers?

• color
• ability to retain water
• weathering
• texture

When plants, animals, and other organisms die, they break down and become part of the soil. What is this part of the soil called?

• sand
• silt
• clay
• humus

To hold inside, as soil does with water

• soil

• retain

• water

Tags

NGSS.MS-ESS2-4

A component of soil made of very tiny grains; sticky and soft when wet but turns hard when dry

• clay

• loam

• humus

A component of soil made of small pieces of rock; pebbles; usually has a smooth texture

• gravel

• sand

• loam

A component of soil made by the weathering of rocks into tiny grains; has a rough and gritty texture

• gravel

• sand

• rock

A mixture of sand, silt, clay, rock, and humus (plant and animal remains)

• humus

• soil

• loam

Geologist can tell a lot about soil from its color. Nutrient rich soil is generally –

• darker in color

• gray in color

• red in color

• colorless

Tags

NGSS.MS-LS2-3