Cycles of Matter Worksheet

Explore the water, carbon, and nitrogen cycles with this Grade 7 science worksheet, featuring diagrams and various question types.

Grade 7 Science Earth & Space ScienceCycles of Matter

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Includes

Multiple ChoiceFill in the BlanksMatchingTrue / FalseShort Answer

Standards

NGSS.MS-LS2-3NGSS.MS-ESS2-4

Topics

sciencegrade 7cycles of matterwater cyclecarbon cyclenitrogen cycle

7 sections · Free to use · Printable

Cycles of Matter

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Date:

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Read each question carefully and answer to the best of your ability. Refer to the diagrams provided for assistance.

1. Which process is responsible for water vapor rising into the atmosphere from bodies of water?

Condensation

Precipitation

Evaporation

Transpiration

2. Plants take in from the atmosphere for photosynthesis.

3. The burning of fossil fuels releases large amounts of into the atmosphere.

Match each term with its correct description related to the nitrogen cycle.

4. Nitrogen Fixation

a. The process by which nitrogen gas is converted into ammonia by bacteria.

5. Denitrification

b. The process by which nitrates are converted back into nitrogen gas and released into the atmosphere.

6. Nitrification

c. The process by which ammonia is converted into nitrites and then nitrates by bacteria.

7. The sun is the primary energy source that drives the water cycle.

True

False

8. Decomposers play a crucial role in returning carbon to the atmosphere.

True

False

9. Explain the importance of the nitrogen cycle for living organisms.