Presentation on theme: "Minerals Minerals touch our lives in hundreds of ways everyday-we could not live without them!"— Presentation transcript:
1 MineralsMinerals touch our lives in hundreds of ways everyday-we could not live without them!
2 We 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.
3 Minerals 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.
5 There 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.
6 How 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