5th Grade Science Puzzle 4

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Across
  1. 3. matter that is made up of only one kind of atom
  2. 4. that state of matter that has a definite volume but no definite shape
  3. 5. small bits of weathered rock
  4. 8. the amount of space taken up by an object; the loudness of sound
  5. 11. the boundary formed when two unlike air masses meet
  6. 12. rock that forms by heat and pressure deep below the earth's crust
  7. 13. moving air
Down
  1. 1. rock that forms when layers of weathered rock, minerals, and organisms harden
  2. 2. the ability of a mineral to resist scratching
  3. 3. the ability to do work
  4. 6. the breaking of a mineral along smooth, straight lines or into flat sheets
  5. 7. the ability of a solvent to dissolve a certain amount of a solute
  6. 9. matter that consists of two or more substances that are physically combined
  7. 10. the amount of thermal energy needed to raise the temperature of one gram of water one degree Celsius
  8. 12. the amount of material in a substance