Lesson 5 Science Vocabulary

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Across
  1. 4. A set of events that repeat in the same order over and over
  2. 6. The gases that surround a planet
  3. 7. A living thing that can break down dead plants, dead animals, or animal waste
  4. 8. Tiny living things in water that produce their own food, like plants do
  5. 9. A living thing that eats other living things
  6. 12. cycle The process of carbon moving through living things and the environment
  7. 13. A living thing that is a decomposer, such as a mold or a mushroom
  8. 16. Anything that takes up space and has weight; can be in different forms such as solid, liquid, gas
  9. 17. A type of gas that plants release and animals breathe in
  10. 18. Tiny, floating living things in water that are smaller than algae and produce their own food, like plants do
Down
  1. 1. A pretend version of something that scientists use when the real thing is either too big, too small, or too complicated to work with
  2. 2. An organism that is usually a decomposer; some cause illness
  3. 3. All the living things that interact with each other and their environment in one place
  4. 5. dioxide A type of gas that plants sometime take in and that animals release when they breathe
  5. 10. Any living thing
  6. 11. A living thing that makes its own food
  7. 14. A group of things that affect each other and function as a whole
  8. 15. A substance that living things need to grow and stay healthy