Biogeochemical Cycles

Biogeochemical Cycles

Assessment

Flashcard

Science

7th Grade

Hard

Created by

Quizizz Content

FREE Resource

Student preview

quiz-placeholder

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is nitrogen fixation?

Back

The process by which certain bacteria convert atmospheric nitrogen (N2) into ammonia (NH3), making it available for plants.

2.

FLASHCARD QUESTION

Front

What is the most abundant gas in the atmosphere?

Back

Nitrogen, which makes up about 78% of the Earth's atmosphere.

3.

FLASHCARD QUESTION

Front

What process do plants use to convert carbon dioxide into glucose?

Back

Photosynthesis.

4.

FLASHCARD QUESTION

Front

What is combustion?

Back

The process of burning fossil fuels, which releases carbon dioxide (CO2) back into the atmosphere.

5.

FLASHCARD QUESTION

Front

What role do decomposers play in biogeochemical cycles?

Back

Decomposers break down dead organic matter, returning nutrients to the soil and making them available for plants.

6.

FLASHCARD QUESTION

Front

What is the phosphorus cycle?

Back

The biogeochemical cycle that describes the movement of phosphorus through the lithosphere, hydrosphere, and biosphere.

7.

FLASHCARD QUESTION

Front

How do humans impact the carbon cycle?

Back

By burning fossil fuels, deforestation, and industrial activities, humans increase the amount of carbon dioxide in the atmosphere.

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?