1. Wood: A natural material with a complex structure, strong and durable.

2. Metal: Iron, aluminum, gold, etc. - malleable, ductile, and good conductors of heat and electricity.

3. Glass: A non-crystalline solid that is brittle but transparent.

4. Rock: A naturally occurring solid composed of one or more minerals.

5. Ice: The solid form of water.

6. Plastic: A synthetic material that can be molded into various shapes.

7. Diamond: The hardest known natural material.

8. Salt: A crystalline solid that dissolves readily in water.

9. Sugar: A crystalline solid with a sweet taste.

10. Concrete: A composite material made from cement, aggregate (sand, gravel), and water.