The Forms of Matter

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. Frozen water (3)
  2. 3. Clear liquid we drink that falls as rain (5)
  3. 6. A naturally occurring or synthetic compound consisting of large molecules made up of a linked (plural) (8)
  4. 10. The star our planet orbits (3)
  5. 11. An increase in the density of something (11)
  6. 14. A fourth state of matter distinct from solid or liquid or gas and present in stars and fusion (6)
  7. 15. State of matter with a fixed shape (5)
  8. 16. Abrupt electric discharge from cloud to cloud or from cloud to earth accompanied by the emission (9)

Down

  1. 1. A thin fog with condensation near the ground (4)
  2. 4. The power to do work or make things move (6)
  3. 5. Twinkling lights in the night sky (5)
  4. 7. The simplest structural unit of an element or compound (plural) (9)
  5. 8. The state of being combined into one body (6)
  6. 9. A change directly from the solid to the gaseous state without becoming liquid (11)
  7. 12. State of matter that fills any space, like air (3)
  8. 13. State of matter that flows like water (6)