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Published byVerity Lynette Robinson Modified over 9 years ago
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Earth Science Rocks & Minerals Science for 4 th Grade
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Rocks contain valuable minerals. An ore is a rock rich in valuable minerals that can be removed from the Earth’s crust. Workers use machines to dig out the ore.
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Ore has valuable minerals The iron from hematite is used for things made of steel.
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Ore has valuable minerals Gypsum is a white mineral used to make paint and plaster.
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Ore has valuable minerals Halite is rock salt used to make ice cream.
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Ore has valuable minerals Copper is a metal found in rock formed from lava and other places.
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Ores can protect us. Lead is a metal from galena and used in aprons to protect us from harmful radiation in x-rays.
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