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