Grade 4 Science: Unit 6 review

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Across
  1. 3. a waxy coating to make something water resistant.
  2. 4. an animal that hunts and kills another animal for food.
  3. 6. when animals are inactive for a long time during winter they do this to save energy.
  4. 11. plants in a dessert have these instead of leaves.
  5. 12. when an animal travels a long distance to find food, a resting place or a place to breed.
  6. 14. an animal that is active or awake at night.
  7. 15. an organ seabirds have that get rid of the salt when they drink water.
Down
  1. 1. something that helps a plant or animal to survive in its environment.
  2. 2. when a planet moves around the sun
  3. 4. an animal that is hunted and killed by another animal.
  4. 5. an imaginary line that runs around Earth where rainforests grow.
  5. 7. home
  6. 8. Earth is tilted on an imaginary line.
  7. 9. go under the surface to find water.
  8. 10. a hole or tunnel that an animal digs for
  9. 13. the organs fish use to breathe underwater.