Soil Review

Which of these particles in soil has the most water retention?

• clay
• gravel
• silt
• sand

The finest grain soil is richest in:

• clay
• humus
• sand
• iron

Decayed organic material in soil is called______.

• Litter
• Silt
• Humus
• Clay

Tags

NGSS.MS-LS2-3

Soil's one of the Earth’s most valuable resources. Everything on Earth depends on soil somehow.

• True
• False

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the following is NOT one of the three types of soil?

• clay
• sand
• silt
• mud

Tags

NGSS.MS-ESS2-1

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

Tags

NGSS.5-LS2-1

Which of the following is the largest particle in soil?

• sand
• silt
• humus
• clay

Soil is made of

• weathered rocks and minerals
• dead plants and animals
• air and water
• all of the above

Tags

NGSS.MS-ESS2-1

What type of sand is made of nearly equal parts of sand, clay and silt?

• Sandy soil
• Clay soil
• Loamy soil

How does soil form?

• Soil forms as rock is broken down by weathering and mixed with other materials on the surface.
• Soil forms when someone takes a shovel and breaks rocks, and then mixes it with dirt.
• Soil forms when an you throw rocks and dirt into a pond.
• Soil forms when you mix water and rocks together, then add air.