Study

Carbon Cycle

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  • Carbon dioxide is also released from rock through weathering and erosion.
    False
    True
  • Burning fossil fuels like coal, gas, and oil releases little carbon into the air.
    False
    True
  • More carbon is made every day
    True
    False
  • What is the process called when a substance combines with oxygen to release light and heat?
    Respiration
    Combustion
    Decaying
    Photosynthesis
  • What things need nutrients to survive?
    Living things
  • The rainforest does not help remove carbon from the atmosphere.
    True
    False
  • This is a green pigment molecule that absorbs energy from sunlight...
    Chlorophyll
    Cellular Respiration
    Photosynthesis
    Glucose
  • Plants, algae, and some bacteria are known as...
    Chlorophyll
    Glucose
    Producers
    Chloroplasts
  • Photosynthesis is a process that animals do
    False
    True
  • What does consumed mean?
    Eaten
  • Millions of yrs ago, remains of plants became buried in sediment under swamps and became coal.
    True
    False
  • Plants, animals, and most other living things combine oxygen with glucose during...
    Decomposers
    Photosynthesis
    Producers
    Aerobic Respiration
  • Humans can only impact the carbon cycle in a negative way.
    True
    False
  • Each time you exhale (breathe) you are releasing carbon dioxide into the air.
    False
    True
  • Humans are the only living organisms that release carbon dioxide into the atmosphere.
    True
    False
  • Carbon is released into the atmosphere when fossil fuels are burned.
    False
    True
  • What is the process where animals release carbon dioxide?
    Photosynthesis
    Respiration
    Decomposition
    Eating
  • Pick one way that carbon is released into the air.
    The Ocean
    Photosynthesis
    Respiration
  • How is carbon involved in photosynthesis?
    Carbon in fossil fuels is released through burning.
    Animals break down the glucose to release carbon in CO2.
    Organisms release carbon from bodies of dead animals.
    Plants use carbon from carbon dioxide to make glucose.
  • When plants/animals die, the carbon in their body is either released or stored as fossil fuels.
    False
    True
  • Which human activity DOES NOT help remove carbon dioxide from the carbon cycle?
    Burning less fossil fuels
    Restoring habitats
    Planting Trees
    Eating fast food
  • Oceans play a major role in the carbon cycle by absorbing carbon dioxide.
    False
    True
  • ________ break down the carbon compounds when organisms die and release carbon as CO.
    Consumers
    Decomposers
    Respiration
    Producers
  • What is the process where decomposers release carbon dioxide?
    Photosynthesis
    Decomposition
    Eating
    Respiration
  • The process through which green plants use the energy of sunlight to make food is called...
    Fossil Fuels
    Photosynthesis
    Combustion
    The Carbon Cycle
  • Ocean water does a lot to remove excess carbon from the atmosphere.
    False
    True
  • Respiration traps carbon into compounds and photosynthesis releases it.
    False
    True
  • What is the process that plants use to capture carbondioxide?
    Respiration
    Eating
    Decomposition
    Photosynthesis
  • These breakdown the remains of dead organisms...
    Fossil Fuels
    Factory Emissions
    Greenhouse Gases
    Decomposers
  • How much carbon is in the human body?
    30%
    20%
    8%
    25%