Rock Cycle and Earth History

Sedimentary rock turns into Metamorphic rock through which process?

• Metamorphism
• Compaction & Cementation
• Heat & Pressure
• Melting

Igneous Rock turns into sediment through which process?

• Weathering & Erosion
• Melting
• Compaction & Cementation
• Heat & Pressure

Sedimentary Rock turns into magma through which process?

• Weathering & Erosion
• Melting
• Heat & Pressure
• Compaction & Cementation

Metamorphic Rock turns into Igneous Rock through which process?

• Compaction & Cementation
• Heat & Pressure
• Melting & Solidification
• Weathering & Erosion

Metamorphic Rock turns into Sedimentary Rock through which process?

• Heat & Pressure
• Weathering & Erosion and then Compaction & Cementation
• Melting
• Compaction & Cementation

Igneous Rock turns into Metamorphic Rock through which process?

• Melting
• Weathering & Erosion
• Heat & Pressure
• Compaction and Cementation

An example of an Sedimentary Rock is

• Obsidian
• Granite
• Marble
• Sandstone

An example of an Igneous Rock is 

• Shale
• Marble
• Obsidian
• Gneiss

An example of a Metamorphic Rock is

• Granite
• Limstone
• Gneiss
• Shale

Which rock type is characterized by having large or small crystals?

• Metamorphic rocks
• Igneous rocks
• Sedimentary rocks