Igneous Rocks

Front

What rock is this? granite, basalt, gabbro, rhyolite

Back

granite

Front

What rock is this? basalt, obsidian, pumice, granite

Back

pumice

Front

What rock is this? granite, rhyolite, gabbro, obsidian

Back

obsidian

Front

What rock is this?
Options: basalt, pumice, obsidian, granite

Back

basalt

Front

The rocks in Volcanoes National Park Hawaii are forming as the hot lava coming out of the volcanoes cools. These rocks are definitely...

Back

extrusive

Front

The rocks in Yosemite National Park are made out of granite, which tells us they are...

Back

intrusive

Front

How can you tell the difference between extrusive and intrusive igneous rocks?

Back

Intrusive rocks have larger crystals.

Front

What is the relationship between crystal size and cooling time?

Back

slower cooling = larger crystals

Front

Igneous rocks form from...

Back

cooling magma or lava

Front

Which of these is NOT an igneous rock? granite, basalt, pumice, marble

Back

marble