Soil: A Review

Soil is made up of

• water, dirt, worms, and banana peels

• minerals, air, water, and organic material

• air, worms, plants, and headphones

• water, worms, walnuts, and watermelons

Tags

NGSS.5-LS2-1

How is soil formed?

• Giants pound rocks into dust

• Weathering breaks rocks into smaller pieces

• Rocks break completely on their own

• Sunlight breaks the rocks apart

Tags

NGSS.MS-ESS2-2

Wind blowing dirt and sand through the air is an example of...

• weathering 
• erosion

Water gets into the cracks of rock and freezes, causing the rock to break.  What is this an example of?

• erosion
• weathering

Tags

NGSS.MS-ESS2-2

Which layer of soil is on the bottom?

• topsoil
• subsoil
• bedrock
• bottomsoil

Which layer of soil has the BIGGEST pieces of rock in it?

• topsoil
• subsoil
• bedrock
• midsoil

Humus is.....

• the dead parts of plants and animals in soil.
• A food we eat with pretzels.
• The tiny particles inside of soil
• The roots that come off of a plant and live in soil.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

What is the layer of soil just below the topsoil?

• soil
• subsoil
• topsoil
• terrace farming

Which layer of soil are these roots growing in?

• subsoil
• topsoil

Movement of soil and rocks from one place to another is called...

• weathering 
• humus
• erosion