Y9 Review

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Across
  1. 5. what happens to a substance when it is cooled
  2. 8. the gas that makes up most of the Sun
  3. 9. mass divided by volume
  4. 10. force divided by area
  5. 12. the planet that contains the largest volcano in the solar system
  6. 13. speed with direction
  7. 14. the state change from a solid straight to a gas
  8. 17. what happens to a substance when it is heated
  9. 19. the steepness of a graph
  10. 20. a substance that gets less dense as it freezes
Down
  1. 1. what we think is at the center of our galaxy
  2. 2. the largest planet in the solar system
  3. 3. a small ball of ice and rock orbiting the Sun in an elipse
  4. 4. a dwarf planet that used to be named a planet
  5. 6. the state change from a gas to a liquid
  6. 7. the heat transfer that occurs in fluids
  7. 11. a collection of billions of stars
  8. 15. the state of matter with the least energy
  9. 16. the colour of a surface that is bad at absorbing heat
  10. 18. magnitude only