What causes the heat that we feel on a hot, sunny day?

• decomposers

• the nitrogen cycle

• too much oxygen in the air

• the greenhouse effect

Tags

NGSS.MS-ESS2-6

NGSS.MS-PS3-4

Which organisms take in carbon dioxide?

• humans

• trees

• deer

• birds

Tags

NGSS.MS-LS1-6

How does carbon get cycled back into the earth?

• through decomposers

• through the greenhouse effect

• through the burning of fossil fuels

• through photosynthesis

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How does carbon dioxide cycle back and forth between plants and animals?

• Plants give off carbon dioxide, and animals take in carbon dioxide.

• Animals breathe out carbon dioxide, and plants take in carbon dioxide.

• Plants and animals both breathe in carbon dioxide.

• Plants and animals both breathe out carbon dioxide.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What happens to carbon that has been in the soil for millions of years?

• It ceases to be carbon.

• It makes the Earth warmer.

• It turns into fossil fuels like oil and coal.

• It gets cycled back into plants through their roots.

Tags

NGSS.MS-LS2-3

What happens when gases, like carbon dioxide, get trapped in the atmosphere?

• The temperature of the planet rises.

• Plants produce more oxygen.

• The amount of greenhouse gas decreases.

• The number of decomposers increases.

Tags

NGSS.MS-ESS3-5

Which of the following adds to the greenhouse effect and global warming?

• the conservation of national forests

• decreasing the amount of air pollution that is created by cars and buses

• the lessening of carbon emissions into the air

• the burning of too much fossil fuel

Tags

NGSS.MS-ESS3-5