Across
- 4. A material that lets electricity or heat pass through it easily.
- 6. A mixture of two or more metals.
- 8. A pure substance made of only one type of atom.
- 9. Able to be stretched into a thin wire without snapping.
Down
- 1. The gradual wearing away of a metal caused by reacting with air or moisture.
- 2. Having a lot of mass packed into a small space.
- 3. Able to be hammered or pressed into a new shape without breaking.
- 5. Not common; hard to find in nature.
- 7. The shiny, reflective appearance of a metal's surface.