Science Extra Class Crossword

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Across
  1. 2. The tube that air goes down.
  2. 6. When liquid changes to a gas.
  3. 9. The sun is a _____.
  4. 12. The closest planet to the sun.
  5. 15. The continent that we live in.
  6. 17. The biggest planet in our solar system.
  7. 19. A state of matter that can flow and takes the shape of its container.
  8. 20. The continent that contains Italy.
  9. 21. A mammal that lives in the sea.
  10. 22. We use these to see.
Down
  1. 1. A type of animal that only eats meat.
  2. 3. A type of animal that drinks milk and gives birth to live young.
  3. 4. The part of a plant that usually grows underground.
  4. 5. The hard white things that give us shape and stop us from being floppy.
  5. 7. The continent that contains Egypt.
  6. 8. The tube that food goes down into your stomach.
  7. 10. The organ that we use to think.
  8. 11. An animal that hunts other animals.
  9. 12. Body tissue that help us move.
  10. 13. A type of animal that only eats plants.
  11. 14. The small part of a plant that can grow into a new plant.
  12. 16. The pointy things that elephants have.
  13. 18. Snakes use this to kill their prey.
  14. 19. We use these to walk.