Weathering Processes and Their Impact on Rocks

Weathering Processes and Their Impact on Rocks

Assessment

Interactive Video

Science, Biology, Chemistry

6th - 7th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explains weathering, a process that changes rocks on Earth's surface. It covers two main types: mechanical weathering, where rocks are broken into smaller pieces without changing their chemical composition, and chemical weathering, where rocks undergo chemical changes. Mechanical weathering includes processes like ice wedging, abrasion, and plant root growth. Chemical weathering involves oxidation, acid precipitation, and biological activity. The video also discusses the formation of caves and the impact of weathering on structures.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary difference between mechanical and chemical weathering?

Mechanical weathering changes the chemical composition of rocks.

Chemical weathering does not involve any chemical reactions.

Chemical weathering breaks rocks into smaller pieces without changing their composition.

Mechanical weathering breaks rocks into smaller pieces without changing their composition.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which agent is responsible for ice wedging in rocks?

Plants

Wind

Water

Gravity

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do water, wind, and gravity contribute to mechanical weathering?

By growing roots that break rocks apart.

By freezing and expanding in rock cracks.

By causing chemical reactions in rocks.

By picking up and rubbing rocks against each other.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role do plant roots play in mechanical weathering?

They chemically alter the rock composition.

They expand and widen cracks in rocks.

They dissolve rocks with acidic secretions.

They protect rocks from weathering.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is oxidation in the context of chemical weathering?

The breakdown of rocks by plant roots.

The freezing and thawing of water in rock cracks.

The reaction of rock minerals with oxygen to form rust.

The process of rocks being dissolved by water.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How did the Statue of Liberty change color over time?

It was painted green.

It underwent a chemical reaction with oxygen.

It was covered in moss.

It was cleaned with acid.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is acid precipitation and how does it affect rocks?

It is rain that freezes and expands in rock cracks.

It is acidic water that dissolves certain types of rocks.

It is water that chemically reacts with rock minerals.

It is water that physically erodes rocks.

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