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Across
  1. 3. / How shiny or dull a material is
  2. 6. / Characteristic of matter that can be observed or measured without changing it
  3. 8. / Forms of matter including solid, liquid, and gas
  4. 12. / The wearing away of Earth's surface by wind, water, or ice
  5. 13. / The ability to be attracted by a magnet
  6. 14. / When a liquid turns into a solid (like water to ice)
  7. 16. / The amount of matter in something
  8. 17. / The way something looks; helps identify matter
  9. 18. / When a liquid turns to a gas
  10. 19. / The movement of water through evaporation, condensation, and precipitation
  11. 21. / How much space an object or substance takes up
  12. 22. / How difficult it is to scratch, bend, or break something
  13. 25. / Melted rock beneath the Earth's surface
  14. 26. / The Earth's solid metal center, mainly iron and nickel
  15. 27. / How tightly packed the matter in something is
  16. 29. / Anything that takes up space and has mass
  17. 31. / Rock changed by heat or pressure inside Earth
  18. 34. / If something stays on top of water or goes to the bottom
  19. 35. / Rock formed when melted rock cools and hardens
Down
  1. 1. / Has no definite shape or volume; fills any space available
  2. 2. / When a solid turns to a liquid (like ice turning to water)
  3. 3. / A natural feature on Earth’s surface like mountains or rivers
  4. 4. / When liquid water turns into vapor and goes into the air
  5. 5. / The layer of gases that surrounds Earth
  6. 7. / When a gas turns to liquid, forming drops
  7. 9. / How something feels, like smooth or rough
  8. 10. / The thick middle layer of Earth made of hot, semi-solid rock
  9. 11. / A mountain where lava, ash, and gases escape from inside the Earth
  10. 15. Core / The Earth's liquid metal layer surrounding the inner core
  11. 17. / When water vapor cools and returns to liquid, forming clouds
  12. 20. / The ability of an object to bend without breaking
  13. 23. / The outline of an object
  14. 24. / Rock made from pressed layers of dirt, sand, and minerals
  15. 28. / The breaking down of rocks into smaller pieces by wind, water, or ice
  16. 29. / Solid material from Earth found in rocks and not made by living things
  17. 30. / Has a definite shape and volume; particles are packed tightly
  18. 32. / The center layer of the Earth, made of a solid inner core and a liquid outer core of iron and nickel
  19. 33. / Has a definite volume but no definite shape; takes shape of its container