Different kinds of rocks
Granite rock There are three different kinds of rocks on Earth, and they form in very different ways. The first kind is igneous rock, which means "fire rocks". Igneous rocks [...]
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06, 2017
What is quartz? Igneous rock
What is quartz? A chunk of white quartz What is quartz made of? Quartz is an igneous rock made out of molecules of silicon and oxygen atoms held together in [...]
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06, 2017
What are igneous rocks? Volcanic stone
Igneous rocks: Obsidian tools What does "igneous" mean? Igneous means "fiery", and igneous rocks are rocks that were made by heating them up in a fire. Usually that fire is [...]
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06, 2017
What is granite? Igneous rock
Granite rock What is granite? Granite forms when bits of quartz and feldspar shoot out of volcanoes, so it's one kind of igneous rock. What is quartz? Where does feldspar [...]
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06, 2017
Feldspar rock – a kind of igneous rock
A feldspar rock quarry in India Is feldspar rare? Feldspar is a very common igneous rock. More than half of the Earth's crust is made of feldspar. What are igneous [...]
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06, 2017
Finding different kinds of rocks
Queens borough public library, New York City To see the different kinds of rocks for yourself, take a walk around your town. Can you find examples of granite, limestone, slate, [...]
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06, 2017
What is basalt? Igneous rock
Where does basalt come from? Basalt is a fine-grained, hard rock that forms when bits of lava shoot out of volcanoes, so it's one kind of igneous rock. Igneous rocks Volcanoes All [...]
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06, 2017
Where are the Ural Mountains?
Ural Mountains in Russia Ural Mountains in Central Asia The Ural Mountains run from north to south through Central Asia. They separate Europe from Asia. Like the Appalachian Mountains, the [...]
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06, 2017
Where are the Rocky Mountains?
Rocky Mountains The Rocky Mountains stretch all the way from the southern United States north into Canada. They through Utah, Colorado, Wyoming, Montana, and up into Alberta. What we call [...]
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06, 2017
Where are the Himalaya Mountains? India
Himalaya Mountains India breaks off of Africa About 55 million years ago, plate tectonics made the land that is now India break off from what is now Africa. At this [...]
