Unit 2: Rock Types

Multiple Choice

How does igneous rock forms?

• Igneous rock forms through the compression of organic materials.
• Igneous rock forms from the erosion of sedimentary layers.
• Igneous rock forms from the cooling and solidification of magma or lava.
• Igneous rock forms from the melting of existing rocks under pressure.

Multiple Choice

How does sedimentary rock form?

• Sedimentary rock forms from the crystallization of minerals in water.
• Sedimentary rock forms from the accumulation and compaction of sediments.
• Sedimentary rock forms through the cooling of molten magma.
• Sedimentary rock forms from volcanic activity and lava flow.

Multiple Choice

How does metamorphic rock form?

• Metamorphic rock forms from volcanic activity.
• Metamorphic rock is created by cooling magma.
• Metamorphic rock originates from sedimentary processes.
• Metamorphic rock forms through the alteration of existing rocks under heat and pressure.