7th Grade Unit 2 Lesson 7 and review

What is the Law of Conservation of Matter?

• Matter can be created in a chemical reaction
• Matter can be destroyed in a chemical reaction
• Matter cannot be created or destroyed in a chemical reaction, only rearranged.

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NGSS.MS-PS1-5

How would you describe the water cycle?

• The water cycle can be described as the continuous movement of water on, above, and below the surface of the Earth.
• The water cycle is the movement of air around the Earth
• The water cycle is the process of turning water into ice

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NGSS.MS-ESS2-4

What is the carbon cycle?

• The carbon cycle is the process by which nitrogen is exchanged between the atmosphere, land, ocean, and living organisms.
• The carbon cycle is the process by which water is exchanged between the atmosphere, land, ocean, and living organisms.
• The carbon cycle is the process by which carbon is exchanged between the atmosphere, land, ocean, and living organisms.

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NGSS.MS-LS1-6

How does the nitrogen cycle work?

• The nitrogen cycle involves processes such as nitrogen fixation, nitrification, assimilation, ammonification, and denitrification.
• The nitrogen cycle involves processes such as evaporation, condensation, and precipitation.
• The nitrogen cycle involves processes such as photosynthesis, respiration, and transpiration.

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NGSS.MS-LS2-3

What does reforestation mean?

• Cutting down existing trees in a forest
• Building new houses in a deforested area
• Planting new trees in an area where forests have been cut down or destroyed

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NGSS.MS-LS2-5

What do chloroplasts do?

• Chloroplasts perform photosynthesis.
• Chloroplasts regulate cell division
• Chloroplasts produce energy for the cell

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NGSS.MS-LS1-6

What is a producer's job in an ecosystem?

• Produce food through photosynthesis
• Build nests for other animals
• Hunt for prey

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NGSS.MS-LS1-6

What purpose do chlorophyll serve?

• Providing structural support to the plant
• Capturing light energy for photosynthesis
• Regulating the plant's water intake

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NGSS.MS-LS1-6

What do mitochondria do?

• Store genetic information
• Regulate cell division
• Produce energy in the form of ATP

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NGSS.MS-LS1-2

NGSS.MS-LS1-7

What is a consumer's purpose in an ecosystem?

• To consume other organisms for energy and nutrients
• To provide shelter for other organisms
• To produce energy for other organisms

Tags

NGSS.MS-LS2-3