Science G3 Ch1 Review

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Across
  1. 3. the structure where a plant makes food
  2. 6. a gas found in air and water that animals need to survive
  3. 8. substances that help living things grow and stay healthy
  4. 13. a structure that holds up a plant
  5. 14. animals that spend part of their lives in water and part on land
  6. 16. a gas plants use with sunlight and water to make food
  7. 17. a substance inside a plant's cells that gives leaves their green color
  8. 20. a kind of animal with a beak, feathers, two wings, and two legs
  9. 21. to make more of one's own kind
  10. 23. an animal with a backbone
  11. 24. a safe place for an animal to live
  12. 26. react
Down
  1. 1. a living thing
  2. 2. the process through which plants make food
  3. 4. a thin, hard outer covering
  4. 5. vertebrates that spend their whole lives in water and breathe using gills
  5. 7. structures that take in oxygen from the air
  6. 9. an animal that does not have a backbone
  7. 10. all the living and nonliving things that surround an organism
  8. 11. a tool that makes tiny things look larger
  9. 12. vertebrates with hair or fur
  10. 15. structures that take in oxygen from the water
  11. 18. vertebrates with scaly skin
  12. 19. parts
  13. 22. the basic building block that makes up all living things
  14. 25. plant structures that take in water and hold the plant in place