Nitrogen Cycle Flashcard

Nitrogen Cycle Flashcard

Assessment

Flashcard

Science

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the Nitrogen Cycle?

Back

The Nitrogen Cycle is the process by which nitrogen is converted between its various chemical forms, including nitrogen fixation, nitrification, and denitrification, allowing it to be used by living organisms.

2.

FLASHCARD QUESTION

Front

Where can you find the special bacteria that helps in Nitrogen-Fixation?

Back

On the roots of plants.

3.

FLASHCARD QUESTION

Front

How does Nitrogen reach soil?

Back

Nitrogen reaches the soil from precipitation.

4.

FLASHCARD QUESTION

Front

What is ammonia?

Back

Ammonia is a compound of nitrogen and hydrogen (NH3) that is toxic to plants and animals but can be used by plants in small amounts.

5.

FLASHCARD QUESTION

Front

What role do decomposers play in the Nitrogen Cycle?

Back

Decomposers change decaying matter and waste back into nitrogen, returning it to the soil.

6.

FLASHCARD QUESTION

Front

What is Nitrogen-Fixation?

Back

Nitrogen-Fixation is the process by which nitrogen gas (N2) is converted into ammonia (NH3) or related compounds in soil, making it available for plants.

7.

FLASHCARD QUESTION

Front

What is nitrification?

Back

Nitrification is the process by which ammonia is converted into nitrites (NO2-) and then into nitrates (NO3-), which can be absorbed by plants.

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