"STEM kits"

Shale is a rich, gray fissile clay rock.

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Phyllite is a light-gray foliated rock formed from metamorphosed slate.

Introduce your students to rocks formed from deposition of sediment.

Quartzite is hard, non-foliated rock formed from metamorphosed quartz sandstones.

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Introduce your students to rocks formed from the cooling of magma and lava.

Scoria is a dark-colored rock formed from lava with a high gas content.

Green colored rock formed from the metamorphism of ultramafic mantle rocks.

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Introduce your students to rocks formed metamorphism of other rocks.