Carbon and Nitrogen Cycle Lesson

Presentation

•

Biology

•

9th Grade

•

Medium

•

NGSS

MS-LS2-3, MS-LS1-6, HS-ESS2-6

Standards-aligned

Carina Castillo

Used 22+ times

FREE Resource

11 Slides • 10 Questions

Match

Match the Definition to the correct Vocabulary word

Storage location for matter

Conversion of nitrogen gas into usable forms

Conversion of ammonia into nitrates

Conversion of nitrates into nitrogen gas

exchange of matter through the biosphere

Sink

Nitrogen fixation

Nitrification

Denitrification

Biogeochemical cycle

Dropdown

The carbon cycle is most

closely associated with

. The nitrogen cycle includes

the

and returns

to the soil through animal

wastes and by

Multiple Choice

When humans burn fossil fuels, most of the carbon quickly enters the as carbon dioxide.

Water

Atmosphere

Sun

Air

Multiple Select

Check all the ways that carbon dioxide is ADDED to the atmosphere.

Respiration

Combustion

Photosynthesis

Diffusion

Decomposition

Multiple Choice

Which is a true statement?

Humans depend on oxygen, plants depend on carbon dioxide

Plants produce carbon dioxide

Humans depend on carbon dioxide, plants depend on oxygen

Humans don't depend on plants for the air they need

Multiple Choice

Human activity: Deforestation

Increase the amount of atmospheric carbon dioxide

Decrease the amount of atmospheric carbon dioxide

Match

Match the following

Process where producers, consumers, and decomposers release energy and CO2 from food

Process where fuels are burned to produce carbon dioxide and water.

Process where producers use light energy and carbon dioxide to make sugars.

Process where dead bodies form fossils/fossil fuels

cellular respiration

combustion

photosynthesis

fossilization

Multiple Choice

How much of the atmosphere is composed of nitrogen gas?

87%

38%

78%

21%

Multiple Choice

How does lightning contribute to the nitrogen cycle?

By releasing nitrogen gas into the atmosphere

By converting atmospheric nitrogen into nitrates

By decomposing organic matter

By fixing nitrogen directly into plants

Multiple Choice

Which organisms play the largest role in converting nitrogen into various usable forms and back to a gas form?

rabbits

bacteria

plants

worms

Show answer

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