Rocks and Minerals
- natural resources-things people use from earth (air, wind, water, rock, minerals, animals, plants)
- rock-nonliving hard part of earth. different sizes, shapes, colors, etc...
- rocks have been used as tools (arrow) and to build walls and buildings
- minerals-hard, nonliving parts of soil that can make rocks sparkle or shine (graphite in pencils, flourite in toothpaste, magnetite in magnets)
- rocks and minerals take millions of years to form in the ground
- people dig in the ground for rocks and minerals
- rocks can be made of one or more minerals
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