They come in many shapes and sizes.

These rocks form when volcanoes erupt.

Fossils and the imprint of an insect may appear in these rocks.

nearly everything solid in the Earth's crust is made of these rocks.

Lava and magma cool to form these rocks.

Metamorphic rocks come from these rocks.

This name means by formed by fire and comes from the Latin root ignis.

Shells of sea animals can form these rocks.

This name means changed in form.

lakes and ocean bottoms are where these rocks have their beginnings.

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