Natural Cycles Crossword Puzzle
Download and print this Natural Cycles crossword puzzle. Use a pencil or pen to complete the puzzle by filling in the blanks. The completed answers are included, so you can easily check your progress.
PDF will include puzzle sheet and the answer key.
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QUESTIONS LIST:
- bio geo chemical cycle : the cycling of chemical elements through living and nonliving parts of an ecosystem
- runoff : the precipitation that flows over the surface of soil
- nodule : a swelling on a plant root that contains nitrogen-fixing bacteria
- cellular respiration : the process in cells by which oxygen and glucose are used to produce energy and carbon dixoide
- legume : a plant that hosts nitrogen-fixing bacteria in nodules on its roots
- photo chemical smog : the brown smog produced when air pollutants react with sunlight
- acid precipitation : the precipitation that is more acidic than normal rainwater
- collection : the process by which precipitation is gathered into a body of water
- photosynthesis : the process that allows green plants to make sugars from sunlight, water, and carbon dioxide into oxygen
- emission : a pollutant released into the atmosphere
- denitrification : the process that releases nitrogen from soil back into the atmosphere
- nitrogen fixation : the conversion of nitrogen in the atmosphere to a form that can be used by plants
