Metals:
* Iron: Used for construction and tools.
* Gold: Used for jewelry and electronics.
* Aluminum: Used for cans and airplanes.
* Copper: Used for wiring and pipes.
Other Solids:
* Ice: Frozen water.
* Butter: Made from milk fat.
* Chocolate: Made from cacao beans.
* Wax: Used for candles and sealing.
* Plastic: A wide range of materials used in many products.
* Salt: Used for seasoning and preserving food.
* Sugar: Used for sweetening food and drinks.
Things that melt at high temperatures:
* Rocks: Different types of rocks have different melting points.
* Glass: Made from silica sand.
* Ceramics: Made from clay and other materials.
Important Note: Not all solids melt. Some, like wood and paper, decompose or burn when heated, rather than melting.
