Science EOY project

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Across
  1. 2. Molten rock that is above the surface of the Earth
  2. 3. All living things are part of this sphere
  3. 5. The layers of gases surrounding Earth are part of this sphere
  4. 10. The amount of water vapor in a given volume of air
  5. 14. The Earth(rocks,minerals,landmarks)is part of this sphere
  6. 15. A set of parts working together to make something work
  7. 16. Scientists who study the causes of weather and try to predict it
  8. 17. Any form of water that falls from clouds and reaches Earth's surface
  9. 19. The light-year is a measurement of this, not time
  10. 20. An instrument used to measure changes in air pressure
  11. 21. This constellation contains Polaris, the North Star
Down
  1. 1. This planet has 61 or more moons
  2. 4. The primary source of energy for the rock cycle
  3. 6. Molten rock that is below the Earth's surface
  4. 7. The process that water goes through when it changes from a gas to a liquid
  5. 8. The condition of Earth's atmosphere at a particular time and place
  6. 9. The average annual conditions of temperature, precipitation, winds, and clouds in an area
  7. 11. An instrument used to measure temperature
  8. 12. An instrument used to measure wind speed
  9. 13. A body of water used as a source of water supply
  10. 18. All the water on Earth is part of this sphere