Earth Science Terms (2nd-3rd Grade)

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