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