G3Q3 vocabulary review for final exam 2

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Across
  1. 3. system the Sun and everything that travels around it, including planets, moons, dwarf planets, asteroids, and comets
  2. 6. someone who guides or directs people to work together toward a goal
  3. 7. a machine that makes distant objects such as stars, planets, and the moon look closer, larger, and brighter
  4. 9. to go out of sight, vanish, or stop being visible suddenly or gradually
  5. 14. a three-dimensional spherical model of the Earth
  6. 17. the outermost layer or top part of something that you can see or touch
  7. 19. the scientific study of space, including stars, planets, moons, comets, and galaxies
  8. 20. a large, round object in space that orbits a star
  9. 22. lasting for only a limited period of time; not permanent
  10. 25. words that have the same spelling but different pronunciations and meanings
Down
  1. 1. the head leader of a republic or the top leader of an organization
  2. 2. an object that orbits or travels in a repeating circle around a larger object in space; it can be natural (like the Moon) or man-made
  3. 4. a solid piece of rock or metal from outer space that falls and hits the Earth
  4. 5. a measure of how hot or cold something is
  5. 8. a curved shape pointed at both ends, like the shape of the moon when it is less than half full
  6. 10. a person who is very good at sports, games, or physical exercises
  7. 11. (verb) to help, encourage, or hold something up so that it does not fall
  8. 12. (verb) to say no to something, to decline, or to not accept; (noun) worthless or unwanted materials such as trash or garbage
  9. 13. to make something longer, bigger, or stretched out; it can refer to objects or time
  10. 15. the feeling or quality of being comfortably warm
  11. 16. the ability to do something even when you feel scared, nervous, or uncomfortable
  12. 18. a large bowl-shaped hole in the ground formed by an explosion or by something hitting the ground from high above
  13. 21. a feeling of great surprise, wonder, or astonishment
  14. 23. a phrase or expression whose meaning cannot be understood from the literal meanings of its individual words
  15. 24. (verb) to act or behave toward someone or something