5th Grade Math Science Vocabulary Review Part 1

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Across
  1. 5. the solid part of the Earth
  2. 9. A huge object in space that gives off heat and light
  3. 10. All of the liquid water and ice on Earth
  4. 14. when a gas turns into a liquid
  5. 16. The process by which plants use sunlight to create food
  6. 17. The layer of the atmosphere where weather forms
  7. 18. when a liquid turns into a gas
  8. 20. To move in a regular path around something
Down
  1. 1. All living things on Earth
  2. 2. A change in which substances change into different substances
  3. 3. The sun, the planets that orbit the sun, and other objects that orbit the sun
  4. 4. A change that is usually reversable, such as freezing water
  5. 6. A period of time that is 24 hours long and includes daytime and nighttime
  6. 7. The basic unit that makes up molecules
  7. 8. rain, snow, sleep, or hail that falls to the ground
  8. 10. An animal that only eats plants
  9. 11. An arrangement of stars as seen from Earth
  10. 12. The air that surrounds the Earth
  11. 13. When liquid water turns into a gas
  12. 15. A system of interlocking and interdependent food chains
  13. 19. To move in a regular path around something