WED and Soil Unit Review Homework

The process that breaks down rocks and other materials on Earth's surface is called

• weathering

• erosion

• soil conservation

• decomposition

Tags

NGSS.MS-ESS2-2

What is mechanical weathering?

• Process through which rocks are physically broken into smaller pieces.
• Rocks are broken down through chemical changes.
• Rocks are worn away from acid in plant roots.
• Rocks broken down by machinery.

Tags

NGSS.MS-ESS2-2

How does freezing water cause the weathering of rocks?  The freezing water—

• keeps the rocks in place
• makes the rocks last longer
• expands cracks and breaks rocks
• causes rocks to fall in landslides

Tags

NGSS.MS-ESS2-2

Waves dropping sand on the beach

• Weathering 
• Erosion
• Deposition

Tags

NGSS.4-ESS2-1

Wind blowing sand from one location to another

• Weathering
• Erosion
• Deposition

Flood waters moving soil from one location to another

• Weathering
• Erosion
• Deposition

What is the small broken down pieces of rock called?

• dirt
• grime
• sediment
• popcorn

Water getting into cracks, freezing, and breaking the rocks or pavement apart is called?

• Weathering
• Erosion
• Deposition

Tags

NGSS.MS-ESS2-4

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

• topsoil
• undersoil
• subsoil
• bedrock

Tags

NGSS.MS-ESS2-1

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-LS2-3