Soil and Weathering

Weathering is a process that breaks down rocks to create soil. This process takes -

• many years

• a few days

• several months

• six weeks

Tags

NGSS.MS-ESS2-2

Because of the flowing water, rocks in rivers and streams rub against each other making the rocks _____________

• rough and jagged

• smooth and small

• sharp and large

• hard and warm

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

The pictures shows a canyon. What most likely caused the canyon to form?

• Chemicals wore away a path down through the rocks.

• The moving water of the river wore down the rock over thousands of years.

• Wind wore down a path through the mountains.

• Tree roots grew down and broke away the rocks.

Tags

NGSS.MS-ESS2-2

Which of the following changes to the land BREAKS large rocks to make changes?

• weathering

• erosion

• deposition

• none of the above

Tags

NGSS.MS-ESS2-2

Humus can best be described as -

• a layer of soil full of large rocks and minerals

• tiny particles of soil that hold water well

• the movement of soil from one place to another

• decayed matter in the soil

Tags

NGSS.MS-LS2-3

Based on what we have learned over the past two weeks, what conclusion can be made about how different types of soil affect plant growth? (Which one is TRUE?)

• Clay has the most nutrients for plant growth.

• Plants grow better in rocks than in sand.

• Plants grow well in humus.

• Rock fragments produce the same growth as clay.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following can become humus?

• Rocks

• Sand

• Leaves

• Water

Which of the following can cause weathering?

• Animals

• Plants

• Wind

• All of the Above

Tags

NGSS.MS-ESS2-2

As water gets into the cracks of a rock, it freezes and...

• expands as it turns to ice

• melts the rock

• makes the rock flow downstream

Tags

NGSS.MS-ESS2-2

NGSS.MS-PS1-4

How do you know weathering has happened to these rocks?

I know weathering has happened because...

Tags

NGSS.MS-ESS2-2