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Weathering

Authored by Jan Melnick

Science

6th Grade

NGSS covered

Used 857+ times

Weathering
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What often happens to rocks that undergo chemical weathering?

They form crystals.  

They produce acids.

They become stronger.

They crumble more easily.

Tags

NGSS.MS-PS1-2

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

Which are the main causes of crack growth in rocks over time?

plant roots and ice wedging

ice wedging and wind abrasion

animal burrowing and plant roots

animal burrowing and wind abrasion

Tags

NGSS.MS-ESS2-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

Leaves release acids into the soil as they decay. How could the decaying leaves affect the rocks in the soil underneath them?

They could increase the amount of physical weathering.

They could decrease the amount of physical weathering.

They could increase the amount of chemical weathering.

They could decrease the amount of chemical weathering.

Tags

NGSS.MS-PS1-2

NGSS.MS-LS2-3

4.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Media Image

Zora puts the two pebbles shown in a rock tumbler. The tumbler spins so the rocks bump against each other. When she takes the pebbles out, she discovers that pebble 1 had more abrasion than pebble2.

What can she conclude about the pebbles?

Pebble 2 is softer than pebble 1.    

Pebble 2 is harder than pebble 1.

Pebble 2 is less reactive than pebble 1.

Pebble 2 is more reactive than pebble 1.

Tags

NGSS.MS-PS1-2

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Changing temperatures cause the rock to ________ or__________.

Break / Contract

Grow / Shrink

Expand / Contract

Expand / Shatter

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

______________ is the breaking down of rock material by physical and chemical processes. 

Weathering

Erosion

Deposition

Sedimentary Exchange

Tags

NGSS.MS-ESS2-4

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

______________ weathering is the process of rock breaking down into smaller and smaller pieces.

Chemical 

Physical

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