Soil

Soil is made of_______________

• dirt

• dead plants and animals

• broken down rocks and decaying organic matter

• sand

which of the following soil particles are the largest?

• Clay

• Silt

• Sand

• Gravel

Which soil particles are the smallest?

• Clay

• Sand

• Silt

• Gravel

Which is true

• Soils with the smallest particles retains the most water

• Soils with the smallest particles retains the least water

• All soils can retain the same amount of water

• Soil with medium sized particles retains the most water

Which type of soil would most likely retain the most water?

• Sand

• Gravel

• Silt

• Clay

Which soil would retain the least amount of water?

• Clay, because it has the largest particles

• Clay, because it has the smallest particles

• Sand, because it has the largest particles

• Sand, because it has the smallest particles

• All soils retain the same amount of water

What is the organic part of soil called?

• Clay

• Silt

• Loam

• Humus

A mixture of sand, silt, and clay is called________

• Humus

• Loam

• Organic

• Particles

Why is a loam considered the best for plants?

• It retains the most water

• It retains the least water

• It retains just the right amount of water

• It contains the most organic material

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Why are earthworms important for soil?

• They help break down large rocks into soil

• They drink any extra water

• They break down organic material helping add nutrients to the soil

• They help clean the roots of plants by drinking the water

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4