ENVIRONMENTAL SCIENCE TOPIC 1-3

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Across
  1. 3. Substance formed as a result of a chemical reaction.
  2. 9. Scientific study of energy and its transformations.
  3. 12. Energy stored due to position or arrangement.
  4. 13. Type of biochemical reaction that builds complex molecules.
  5. 14. Earth’s water system including rivers and oceans.
  6. 18. Cycle involving an essential element found in proteins and needed by plants for growth.
  7. 20. layer of gases surrounding Earth.
  8. 21. Metabolic process where cells use oxygen and release carbon dioxide.
  9. 24. Anything that has mass and occupies space.
  10. 25. Energy required to initiate a chemical reaction.
  11. 26. Study of atmospheric phenomena and weather.
  12. 27. Molecule that speeds up chemical reactions in living organisms
  13. 28. Field focusing on chemical processes in nature.
  14. 29. Ability to do work
Down
  1. 1. Outer solid part of the Earth.
  2. 2. Increase in this causes more strain on natural resources.
  3. 4. Sum of all chemical processes in the body.
  4. 5. Washing away of soluble materials by water.
  5. 6. Type of energy carried by light or electromagnetic waves.
  6. 7. Study of Earth’s physical structure and substance.
  7. 8. Study of relationships between organisms and environment.
  8. 10. Place where life exists.
  9. 11. Pollution from chemicals and human waste harms this water source.
  10. 15. When water flows over land because it can’t be absorbed.
  11. 16. Substance made of two or more elements.
  12. 17. Process by which substances are changed into different substances.
  13. 19. Pure substance made of one kind of atom.
  14. 20. Smallest unit of an element
  15. 22. Breaking down of rocks and minerals on Earth’s surface.
  16. 23. Energy of motion