Puzzling Matter!!

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 1. A metric unit of weight equal to one thousandth of a kilogram (4)
  2. 4. The power to do work or make things move (6)
  3. 6. Force that pulls objects toward the Earth (7)
  4. 7. How much matter something contains (4)
  5. 10. A basic or essential attribute shared by all members of a class (plural) (10)
  6. 12. A hexahedron with six equal squares as faces (4)
  7. 14. To become larger in size or volume or quantity (6)
  8. 16. Any spatial attributes (5)

Down

  1. 2. The basic unit of length adopted under the Systeme International d'Unites (5)
  2. 3. How tightly packed the matter in something is (7)
  3. 5. Staying steady without falling over (7)
  4. 8. How loud something is, or how much space it fills (6)
  5. 9. State of matter that flows like water (6)
  6. 11. State of matter with a fixed shape (5)
  7. 13. That which has mass and occupies space (6)
  8. 15. State of matter that fills any space, like air (3)