Carbon Cycle

Identify the cycle illustrated in the diagram.

• Nitrogen Cycle

• Water Cycle

• Phosphorus Cycle

• Carbon Cycle

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

NGSS.MS-ESS2-1

Large areas of land are being developed. In the process, thousands of trees are being removed and burned. Which of the following statements will explain how it will affect the carbon cycle?

• I. The build up of carbon dioxide in the atmosphere is driving global warming.

• II. Mainly as carbon dioxide

• III. When forests are cleared or burnt, stored carbon is released into the atmosphere.

• I, II, III

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5

oxygen is a gas produced by _1_ and used by  _2_ 

• 1- plants

  2-animals and plants

• 1- photosynthesis

  2- carbon dioxide 

• 1- animals and plants

  2- plants 

• 1- carbon dioxide

  2- photosynthesis

Tags

NGSS.MS-LS1-6

Which of the following removes carbon from the atmosphere?

• Combustion
• Respiration
• Photosynthesis
• Death

Tags

NGSS.MS-LS1-6

Which of the following adds carbon to the atmosphere?

• Combustion
• Respiration
• Photosynthesis
• Decomposers

Tags

NGSS.MS-ESS3-4

Plants use ____________ to make their own food

• Water

• Sunlight

• Carbon dioxide

• All of these

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Respiration is the process by which animals take in _____ and release _____. 

• photosynthesis, air
• carbon, oxygen
• oxygen
• oxygen, carbon dioxide

Which statement is an example of how carbon moves through a food chain as part of the cycle?

• Producers release carbon dioxide, and consumers take it it.

• Producers take in carbon dioxide, and consumers release it.

• Producers take in carbon from the soil, and they release it when they decompose.

• Producers release carbon into the soil, and consumers take it in from the soil.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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

• Hydrosphere

• Atmosphere
• Geosphere

• Biosphere

When organisms die, what process returns their carbon back into the atmosphere?

• Respiration

• Decomposition

• Combustion

• Erosion