Unit 9: Soil

Open Ended

Soil contains small creatures such as earthworms. How do earthworms benefit soil?

Multiple Select

Select 3 important roles of soil to life on Earth.

• The soil helps to clean our water acting as a filter.

• Soil makes everything dirty.

• Plant also need soil to grow by getting nutrients.

• Soil releases toxic gas into the air.

• Soil releases gases such as carbon dioxide into the air.

Multiple Choice

True or false: Sand is the largest particle found in soil

• True

• False

Open Ended

Describe the texture of silt:

What does it feel like? What happens when you roll it between your fingers?

Multiple Choice

True or false: Clay does not retain (hold) water.

• True

• False

Open Ended

Describe the physical properties of loam:

What does it look like? What is the texture?