Cycling of Matter

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Across
  1. 6. Process by which nitrogen fixing bacteria convert atmospheric nitrogen into ammonia
  2. 7. Process in which denitrifying bacteria break down organic waster and release nitrogen into the atmosphere
  3. 8. Anything that has mass, takes up space, and is made up of atoms.
  4. 9. Process by which organisms break down oxygen and glucose into carbon dioxide, water, and cellular energy.
  5. 10. Plants that contain nitrogen fixing nitrogen fixing bacteria living in nodules on their roots.
Down
  1. 1. Organisms, such as mushrooms, worms, and bacteria that break down organic waste
  2. 2. Process in which nitrifying bacteria convert ammonia into nitrate
  3. 3. Process by which plants, algae, and cyanobacteria use the energy from sunlight to convert carbon dioxide and water into glucose and oxygen
  4. 4. Process in which oxygen is used to burn fossil fuels, while carbon dioxide is released into the atmosphere
  5. 5. Process by which organisms use oxygen to break down organic waste while carbon dioxide is released into the atmosphere