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Ciclo del Nitrógeno

Ciclo del Nitrógeno

Assessment

Interactive Video

Chemistry, Science

6th - 9th Grade

Practice Problem

Hard

Created by

Wayground Content

Used 1+ times

FREE Resource

The video explains the nitrogen cycle, highlighting its importance for living organisms. It covers the four main processes: nitrogen fixation, nitrification, decomposition, and denitrification. Nitrogen fixation involves converting nitrogen into absorbable compounds through biological, atmospheric, and industrial means. Decomposition and nitrification involve converting waste into ammonia and then nitrates. Denitrification completes the cycle by converting nitrates back to nitrogen gas, replenishing the atmosphere.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What percentage of Earth's atmosphere is composed of nitrogen?

78%

50%

99%

25%

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which process involves bacteria found in legumes converting nitrogen?

Chemical fixation

Biological fixation

Industrial fixation

Atmospheric fixation

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of decomposers in the nitrogen cycle?

They break down waste into ammonia.

They release nitrogen gas into the atmosphere.

They convert ammonia into nitrates.

They fix nitrogen from the atmosphere.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During nitrification, ammonia is converted into what compound?

Nitrites

Ammonium

Nitrates

Nitrogen gas

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What process reduces nitrates back to nitrogen gas?

Nitrification

Denitrification

Nitrogen fixation

Decomposition

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