Science crossword puzzle

1234567891011121314151617181920
Across
  1. 2. Anything that has mass and takes up space
  2. 3. A measure of how hot or cold something is
  3. 5. The amount of force exerted per unit area of a
  4. 6. Heat removed from gas changing it to liquid
  5. 8. Amount of mass per unit of volume
  6. 9. The study of the properties of matter and how
  7. 11. pattern of their properties
  8. 13. Particles further apart and can flow
  9. 14. A pure substance made of only one kind of atom
  10. 17. Amount of matter in an object
  11. 18. SI unit for mass
  12. 19. Basic building blocks of any matter
  13. 20. Particles very far apart and rarely touch each
Down
  1. 1. A group of atoms bonded together
  2. 2. changes
  3. 4. Particles are tightly packed
  4. 5. Porperty Can be observed using your senses:
  5. 7. A single kind of matter that is pure and has
  6. 9. Property A characteristics of a pure substance
  7. 10. table A chart of the elements showing the
  8. 12. its ability to chang into different
  9. 15. Amount of space an object takes
  10. 16. A measure of the force of gravity on an object