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- 1. Multiple Choice
Is Carbon a metal, nonmetal, or metallioid?
Metal
Nonmetal
Metalloid
- 2. Multiple Choice
________________________ is part of the air, rocks, soil, and all living things.
Nitrogen
Carbon
Water
Silver
- 3. Multiple Choice
When humans EXHALE, we release ____________________.
Oxygen
Nitrogen
Water
Carbon Dioxide
- 4. Multiple Choice
What is CO2?
Carbon Monoxide
Carbon Dioxide
Carbon Trioxide
Oxygen
- 5. Multiple Choice
Through the process of photosynthesis, plants take in ________________ to make ______________________.
CO2, O2
O2, CO2
H2O, CO2
H2, O2
- 6. Multiple Choice
Which of the following are fossil fuels?
Coal, Water, Oil
Oxygen, Coal, Oil
Coal, Oil, Natural Gas
None of these
- 7. Multiple Choice
Where can you find carbon?
Only in the Earth's atmosphere.
Inside all water molecules.
Inside the sun.
Inside every living thing on Earth.
- 8. Multiple Choice
Carbon moves from fossil fuels to the atmosphere when fuels are burned.
True
False
- 9. Multiple Choice
What are fossil fuels made from?
Plants and animals that are buried underground for millions of years.
They absorb it from the atmosphere.
Water
Wind
- 10. Multiple Choice
Plants use _______________________ to make their own food.
Carbon Dioxide
Oxygen
Materials
Gravity
- 11. Multiple Choice
This pool is made up of the ground and underground up to 60 miles below the Earth's surface.
Atmosphere
Biosphere
Hydrosphere
Lithosphere
- 12. Multiple Choice
This pool is the envelope of air that surrounds the Earth.
Atmosphere
Biosphere
Hydrosphere
Lithosphere
- 13. Multiple Choice
This pool is all the water on Earth including in the air, oceans, rivers, streams, and underground.
Atmosphere
Biosphere
Hydrosphere
Lithosphere
- 14. Multiple Choice
This pool contains all life on Earth.
Atmosphere
Biosphere
Hydrosphere
Lithosphere
- 15. Multiple Choice
Which of the following removes carbon dioxide from the atmosphere?
Combustion
Respiration
Photosynthesis
Death
- 16. Multiple Choice
If the plant population decreased, the amount of carbon in the atmosphere would ____________________.
Increase
Decrease
Stay the same
- 17. Multiple Choice
Carbon dioxide is a gas produced by ___________________ and used by _________________
Plants and Animals
Carbon and Photosynthesis
Animals and Plants
Photosynthesis
- 18. Multiple Choice
When humans burn fossil fuels, most of the carbon quickly enters the _______________________ as carbon dioxide.
Water
Atmosphere
Sun
Ground
- 19. Multiple Choice
Why does too much carbon dioxide in the atmosphere cause climate change?
It cools our planet.
Blocks out UV rays.
Lets light escape.
Traps heat and warms the planet.
- 20. Multiple Choice
How do humans affect the carbon cycle?
Inhaling oxygen
Wearing sunscreen
Using pencils to write
Exhaling carbon dioxide
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