Study

Carbon Cycle

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  • Pick one way that carbon is released into the air.
    The Ocean
    Respiration
    Photosynthesis
  • This is what carbon is recycled through and can take millions of years...
    Fast Track
    Slow Track
    Chlorophyll
    Decomposers
  • This is a green pigment molecule that absorbs energy from sunlight...
    Cellular Respiration
    Glucose
    Chlorophyll
    Photosynthesis
  • Carbon dioxide is also released from rock through weathering and erosion.
    False
    True
  • Millions of yrs ago, remains of plants became buried in sediment under swamps and became coal.
    True
    False
  • Burning fossil fuels like coal, gas, and oil releases little carbon into the air.
    True
    False
  • Plants, algae, and some bacteria are known as...
    Glucose
    Chlorophyll
    Producers
    Chloroplasts
  • The rainforest does not help remove carbon from the atmosphere.
    True
    False
  • Humans can only impact the carbon cycle in a negative way.
    True
    False
  • Respiration traps carbon into compounds and photosynthesis releases it.
    False
    True
  • Each time you exhale (breathe) you are releasing carbon dioxide into the air.
    False
    True
  • ________ break down the carbon compounds when organisms die and release carbon as CO2.
    Respiration
    Producers
    Consumers
    Decomposers
  • Which human activity DOES NOT help remove carbon dioxide from the carbon cycle?
    Burning less fossil fuels
    Eating fast food
    Restpring habitats
    Planting Trees
  • What is the process called when a substance combines with oxygen to release light and heat?
    Decaying
    Respiration
    Combustion
    Photosynthesis
  • Ocean water does a lot to remove excess carbon from the atmosphere.
    False
    True
  • How much carbon is in the human body?
    30%
    8%
    25%
    18%
  • The process through which green plants use the energy of sunlight to make food is called...
    The Carbon Cycle
    Combustion
    Photosynthesis
    Fossil Fuels
  • Plants, animals, and most other living things combine oxygen with glucose during...
    Producers
    Photosynthesis
    Decomposers
    Aerobic Respiration
  • How is carbon involved in photosynthesis?
    Plants use carbon from carbon dioxide to make glucose.
    Animals break down the glucose to release carbon in CO2.
    Organisms release carbon from bodies of dead animals.
    Carbon in fossil fuels is released through burning.
  • These breakdown the remains of dead organisms...
    Factory Emissions
    Decomposers
    Fossil Fuels
    Greenhouse Gases
  • When plants/animals die, the carbon in their body is either released or stored as fossil fuels.
    False
    True
  • Oceans play a major role in the carbon cycle by absorbing carbon dioxide.
    True
    False
  • Carbon is released into the atmosphere when fossil fuels are burned.
    True
    False