Sixth Grade First Semester Final, Puzzle Two

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Across
  1. 8. process by which water on the surface of the Earth enters and moves through the soil and porous rock layers
  2. 10. process by which water vapor (gas) in the air cools and changes into liquid water
  3. 11. found in the oceans, which cover about 71% of the planet's surface
  4. 12. periodic rise and fall of sea levels caused by the gravitational forces exerted by the moon and sun on Earth's oceans
  5. 14. rhythmic movements of water that travel across the surface of the ocean
  6. 15. the angle at which Earth's axis is tilted relative to its orbit around the Sun
  7. 16. small icy body that orbits the Sun in an elongated, elliptical orbit
  8. 17. concentration of dissolved salts, primarily sodium chloride (NaCl), in water
  9. 18. leading explanation, for the origin and formation of the universe
  10. 20. Streaks of light produced by a meteoroid as it enters the Earth’s atmosphere
  11. 23. led to the discovery that the Earth is NOT the center of the solar system
  12. 24. a small rocky or metallic body that travels through space.
Down
  1. 1. phase of the moon in its lunar cycle when it is positioned between the Earth and the Sun
  2. 2. the Earth is in the center of the solar system
  3. 3. sun heats the surface of bodies of water (like oceans, lakes, and rivers), causing the water molecules to move faster and eventually break free from the liquid state
  4. 4. the Sun is the center of the solar system
  5. 5. path around the Earth
  6. 6. water that is stored beneath the Earth's surface in the spaces between soil particles, rocks, and other underground materials
  7. 7. Moon passes directly between the Earth and the Sun
  8. 9. measure of the amount of matter in an object and is constant regardless of location
  9. 13. shortest day and the longest night of the year
  10. 19. causes objects to be attracted towards one another
  11. 21. Application of scientific knowledge, tools and techniques to solve problems, create products or improve processes
  12. 22. meteoroid that makes it through the Earth’s atmosphere and lands on the surface