What's the Matter?

12345678910111213141516
Across
  1. 2. to transform from a solid to a liquid when hot
  2. 6. the form of an object, such as round or square
  3. 7. a material that has a shape and does not flow
  4. 9. to become new or different than before
  5. 11. what everything on Earth is made up of
  6. 13. a material that takes the shape of the container it is in and flows
  7. 15. a material that is easily shaped or molded into containers
  8. 16. a thin material made from trees that is often used for writing
Down
  1. 1. a shiny material that can be melted and shaped, like solver or gold
  2. 3. to move smoothly, like a stream, without stopping
  3. 4. to take old or used things and make them into new things
  4. 5. to cause something to become warmer
  5. 8. a material that has no shape and moves in the air
  6. 10. a clear, solid material used for windows and containers
  7. 12. to give off heat or light
  8. 14. to move on the surface of a liquid or in the air