Earth Science

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Earth Science Rocks Minerals
Science for 4th Grade
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Rocks contain valuable minerals.
An ore is a rock rich in valuable minerals that
can be removed from the Earths crust. Workers
use machines to dig out the ore.
3
Ore has valuable minerals
The iron from hematite is used for things made of
steel.
4
Ore has valuable minerals
Gypsum is a white mineral used to make paint and
plaster.
5
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 is 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.