Sedimentary, Metamorphic, and Igneous Rocks

Which type of rock is most likely to contain fossils?

• Sedimentary

• Igeneous

• Metamorphic

• All rocks

Tags

NGSS.MS-LS4-1

What are the two different types of igneous rock?

• Intrusive

• Internal

• Extrusive

• External

Slate is a dark rock showing crystals and layers. It was formed by shale being changed by heat and pressure. What kind of rock is it?

• Sedimentary

• Extrusive igneous

• Intrusive igneous

• Metamorphic

Basalt is a dark rock with small crystals, formed on the surface of the Earth. What kind of rock is it?

• Sedimentary

• Extrusive igneous

• Intrusive igneous

• Metamorphic

Chalk is a white rock formed from the shells of sea animals which collected at the bottom of shallow seas. What kind of rock is it?

• Sedimentary

• Extrusive igneous

• Intrusive igneous

• Metamorphic

Granite is a speckled rock. The speckles are different crystals that have formed from melted rock which cooled slowly inside the earth. What kind of rock is it?

• Sedimentary

• Extrusive igneous

• Intrusive igneous

• Metamorphic

Breccia is a rock made from different sized angular particles which have collected together and been cemented. What kind of rock is it?

• Sedimentary

• Extrusive igneous

• Intrusive igneous

• Metamorphic

Pumice is a rock that contains air bubbles. It is formed by volcanic rock cooling and trapping air inside. What kind of rock is it?

• Sedimentary

• Extrusive igneous

• Intrusive igneous

• Metamorphic

Sandra compared rhyolite with two other types of igneous rock. She used a microscope to examine the size of the crystals in the rocks and made a table of her results. Which rock cooled the slowest?

• Rhyolite

• Syenite

• Basalt

Select the igneous rocks below:

• Granite

• Pumice

• Basalt

• Obsidian