THE CARBON CYCLE

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THE CARBON CYCLE

• Remember Write down everything in white ?

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The carbon cycle

• The carbon cycle is essential for life on Earth.
  Carbon is found in all living things, and in
  their dead bodies and wastes.
• Carbon is also found in the atmosphere as carbon
  dioxide (CO2).

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Plants

• Plants use carbon dioxide from the atmosphere
  when they photosynthesise to make glucose to
  provide them with energy.

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Animals

• Animals and other consumer organisms obtain the
  carbon they need from the food they eat.

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Carbon returning to the atmosphere

• Respiration releases carbon back into the
  atmosphere and hydrosphereas carbon dioxide,
  where it again becomes available for
  photosynthesis.

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Carbon in the soil

• Organisms release carbon into the soil in wastes
  such as faeces, urine and fallen leaves.
• These wastes are used as food by decomposer
  organisms.
• As the decomposer organisms respire, carbon is
  released into the atmosphere, water and soil.

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The cycle

• However, there is not an endless supply of
  carbon. Carbon is recycled through the soil,
  through living things and the atmosphere in the
  carbon cycle

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ACTIVITY

• Go onto the website www.misslennox.weebly.com and
  click on year 10- Earth Science.
• Go to the link 1. The carbon cycle activity
• If this doesnt work type into google kids news
  room climate change movies carbon cycle and
  select the first option.
• Use the animation to create a labelled diagram of
  the carbon cycle. You may also wish to use the
  picture in your textbook in Chapter 6 page 178