Presentation on theme: "Minerals Minerals touch our lives in hundreds of ways everyday-we could not live without them!"— Presentation transcript:
1MineralsMinerals touch our lives in hundreds of ways everyday-we could not live without them!
2We use minerals toGrowing food, tractors, water pipes, electrical wiring, refrigerator, radio, toaster, lamp, light bulbs, sheets, towels, clothing, make up, fireworks, soap and toothpaste, windows; cereal bowls and dishes, glasses and cups, faucets, doorknobs, electronics; cars, trucks, ships, and railroad cars; bricks, tiles, siding, and houses-Every part of our lives depends on minerals.
3Minerals must be mined from the Earth. We use 2 billion tons of minerals each year in the US. That’s 10 tons of minerals for every man, woman, & child!Minerals must be mined from the Earth.But they are nonrenewable resources, so once we use them up, we will have no more to use.
5There are over 3000 minerals. The harder a mineral is to find or get out of the Earth, the more expensive it will be.Some pure elements make up minerals. Example: gold, platinum.Minerals form everywhere.
6How minerals formThrough crystallization of melted materials. (as it cools crystals grow)Through crystallization of materials dissolved in water. (water evaporates or cools leaving minerals behind)Generally happens slowly