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Cycles Review

Authored by Andrea Ibberson

Science

9th Grade

DOK Level 1: Recall covered

Used 14+ times

Cycles Review
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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a direct human activity that increases carbon dioxide levels in the atmosphere?

Photosynthesis

Burning fossil fuels

Ocean absorption

Volcanic eruptions

Tags

DOK Level 1: Recall

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify the process by which plants remove carbon dioxide from the atmosphere.

Respiration

Combustion

Photosynthesis

Decomposition

Tags

DOK Level 1: Recall

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain how deforestation can impact the carbon cycle.

It increases the amount of carbon stored in trees.

It decreases the amount of carbon dioxide in the atmosphere.

It reduces the number of trees available to absorb carbon dioxide, increasing atmospheric CO2 levels.

It has no impact on the carbon cycle.

Tags

DOK Level 2: Skill/Concept

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Describe one way in which human activities can alter the natural carbon cycle.

By increasing the rate of photosynthesis in plants

By reducing the amount of carbon stored in fossil fuels through extraction and combustion

By decreasing the amount of carbon dioxide in the atmosphere

By increasing the natural decomposition rate of organic matter

Tags

DOK Level 2: Skill/Concept

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary greenhouse gas released by human activities that affects the carbon cycle?

Methane

Nitrous oxide

Carbon dioxide

Water vapor

Tags

DOK Level 1: Recall

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the burning of fossil fuels contribute to the carbon cycle?

It decreases the amount of carbon in the atmosphere.

It releases stored carbon into the atmosphere as carbon dioxide.

It increases the carbon stored in the ocean.

It has no effect on the carbon cycle.

Tags

DOK Level 2: Skill/Concept

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which human activity is most responsible for the increase in atmospheric carbon dioxide over the past century?

Industrial agriculture

Deforestation

Fossil fuel combustion

Urbanization

Tags

DOK Level 1: Recall

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