Rocks

This rock is changed by heat and pressure.

• Sedimentary

• Igneous

• Metamorphic

This rock may be formed from lava.

• Sedimentary

• Igneous

• Metamorphic

Tags

NGSS.4-ESS1-1

This rock is usually made up of pieces of rock called sediments that have been pressed and cemented together.

• Sedimentary

• Igneous

• Metamorphic

Rock made from pieces of rocks (sediments)

• Sedimentary Rock
• Extrusive Igneous Rock
• Intrusive Igneous Rock
• Metamorphic Rock

True or False?  Rocks must contain at least two minerals in order to form.

• True
• False

How many rock forming minerals are responsible for most of the rocks of Earth's crust?

• 10
• 20
• 100
• too many to count

Which of the following descriptions is used for grain size?

• large grain
• tiny grain
• jagged grain
• fine grain

How does granite look?

• dark-colored with LOW silica

• dark-colored with HIGH silica

• light-colored with LOW silica

• light-colored with HIGH silica

Which kind of rock forms under heat and pressure?

• Igneous

• Metamorphic

• Inorganic

• Sedimentary

Which term describes how a rock's surface looks and feels?

• Density

• Streak

• Texture

• Fracture