8th Unit 1: Matter

12345678910111213141516171819
Across
  1. 1. characteristics or traits that you can use to describe matter by observation, measurement, or combination
  2. 4. two or more atoms that bond together (can be same type or different)
  3. 9. two or more different atoms that bond
  4. 10. particles with no charge (neutral)
  5. 12. a physical property that will be the same regardless of the amount of matter
  6. 14. negatively charged particles
  7. 15. two or more atoms or molecules not chemically joined
  8. 16. is calculated by adding the masses of the protons and neutrons in an atom
  9. 17. smallest unique particles of matter in the universe
  10. 18. mixture with components physically separated
Down
  1. 1. observable trait without changing substance into new matter
  2. 2. pure substance that is made from a single type of atom
  3. 3. mixture with components mixed together evenly
  4. 5. observable trait that changes a substance into new matter
  5. 6. any substance that has mass and takes up space by having volume
  6. 7. the number of protons in every atom of the element
  7. 8. measurement of the pull of gravity on an object
  8. 11. the ability to do work
  9. 13. positively charged particles
  10. 15. measure of amount of atoms (matter) something contains
  11. 19. a physical property that will change if the amount of matter changes