Water Cycle, Carbon Cycle, Nitrogen Cycle

Ally is a junior high student who has just learned about the carbon cycle in school. She is concerned about the environment and decides to construct a model of the carbon cycle in her community.

What could both add and remove carbon from the atmosphere in the model?

• a car

• a deer

• an insect

• a tree

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Ally is a junior high student who has just learned about the carbon cycle in school. She is concerned about the environment and decides to construct a model of the carbon cycle in her community. Ally wants to reduce the amount of carbon dioxide in her local area. What are two different things that Ally could do to reduce the amount of carbon dioxide in the atmosphere?

• cut down trees and plant some flowers

• walk instead of drive and burn trash

• plant more trees and hang laundry outside

• car pool to work and keep all of the lights on at home

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

What is the energy source for the water cycle?

• the sun

• the earth

• water

• the moon

Tags

NGSS.MS-ESS2-4

What part of the water cycle does this picture show?

• condensation

• precipitation

• evaporation

Tags

NGSS.MS-ESS2-4

Which of the following is a way that humans impact the nitrogen cycle?

• Planting trees

• Using fertilizers

• Drinking water

• Breathing air

What is the primary way humans have altered the nitrogen cycle?

• By walking on the soil

• By the use of synthetic fertilizers

• By planting more trees

• By reducing the use of fossil fuels

What is the effect of increased levels of carbon dioxide in the atmosphere?

• Decrease in global temperatures

• Increase in global temperatures

• No effect on global temperatures

• Decrease in oxygen levels

Tags

NGSS.MS-ESS3-5

What is water doing when it is changed to water vapor? 

• Evaporating

• Condensing

• Precipitating

Tags

NGSS.MS-ESS2-4

All of the carbon in existence is continually recycled in the carbon cycle

• True

• False

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following describes the role of nitrogen-fixing bacteria in the nitrogen cycle? Nitrogen-fixing bacteria convert

• nitrates intro nitrogen gas

• ammonia into proteins

• nitrogen gas into ammonia

• proteins into nitrates