Soil

What is soil?

• It is the loose material in which plants can grow in the upper layer of Earth.

• It is the leaf that grows on the plant.

• It is the food that can be found inside the seed.

Tags

CCSS.L.3.6

CCSS.L.1.6

CCSS.L.K.5A

Soils can be all different colors.

• True
• False

When soil is being formed, the first step is: 

• weathering of rock
• mixing with humus
• mixing with air and water

Soil takes many ________ to form.

• days
• months
• years

Soil formation is considered a _________________ change to Earth's surface.

• fast 
• slow
• no

What are the properties of sand.

Select all that apply.

• smooth

• gritty

• tan

• doesn't hold water

What are the properties of clay?

Select all that apply.

• smooth

• gritty

• gray

• holds water

What is soil mostly composed of?

• mineral matter
• air
• organic matter
• water

Which of the following processes will most likely contribute to the development of soil?

• Volcanic eruptions that make new land
• Building up of snow in very cold areas
• Migration of animals to warmer climates
• Breaking down of rock by wind, water, and ice

Rocks near the ocean get broken into smaller pieces. What causes this change to these rocks?

• Leaves falling from trees
• Clouds forming in the sky
• Water crashing against the rocks
• Salt dissolving in the water