What is the difference between mechanical and chemical weathering?

Weathering: Mechanical and Chemical

Quiz
•
Chemistry
•
6th Grade
•
Easy

Cheryl Himmel
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mechanical weathering has no effect on rocks
Mechanical weathering breaks down rocks through chemical reactions
Chemical weathering breaks down rocks physically
Mechanical weathering breaks down rocks physically, while chemical weathering breaks down rocks through chemical reactions.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Give an example of mechanical weathering.
Frost wedging
Chemical reaction
Volcanic eruption
Tectonic plate movement
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Give an example of chemical weathering.
Erosion of rocks
Freezing of water
Rusting of iron
Formation of mountains
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does frost action contribute to mechanical weathering?
Frost action has no impact on mechanical weathering
Frost action causes rocks to become harder and more resistant to weathering
Frost action leads to the formation of new minerals in rocks
Frost action causes the expansion of water in cracks, leading to the mechanical breakdown of rocks.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role does water play in chemical weathering?
Water inhibits chemical reactions in weathering
Water has no role in chemical weathering
Water acts as a solvent and a medium for chemical reactions.
Water causes mechanical weathering, not chemical weathering
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain how plant roots contribute to mechanical weathering.
Plant roots release chemicals that dissolve the rocks
Plant roots absorb water from the rocks, causing them to dry out and crumble
Plant roots have no impact on mechanical weathering
Plant roots grow into cracks in rocks and exert pressure as they expand, causing the rocks to break apart.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main agent of chemical weathering?
Wind and sand
Sunlight and heat
Plants and animals
Water, oxygen, carbon dioxide, and acids
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