Identifying Rocks

What is this rock

• granite

• quartzite

• coal

What rock is this

• Sandstone

• Marble

• obsidian

What rock is this

• Shale

• Quartzite

• Gabbro

What rock is this?

• Scoria

• Chert

• ooleck Limestone

What rock is this?

• Phyllite

• Organic Limestone

• Rhyolite

Tags

NGSS.MS-ESS2-3

What rock is this?

• Sandstone

• Baslt

• Gneiss

Is this an intrusive or extrusive igneous rock?

• Intrusive because it formed very slowly and has crystals.

• Extrusive because it formed very fast with no crystals.

What is the texture of a rock?

• The hardness of the rock.

• The amount of minerals in the rock.

• The size, shape, and pattern of rocks grains.

Which type of rock is formed on the inside of the Earth?

• Intrusive

• Extrusive

Which type of rock is formed on the outside of the Earth?

• Intrusive

• Extrusive