The Rock Cycle and Earth's Crust

Rocks formed by deep pressure under the surface that often have crystals are

• Sedimentary

• Metamorphic

• Igneous

Rocks that are formed by sediment deposited over time, often forming layers are

• Sedimentary

• Metamorphic

• Igneous

Rocks formed by the cooling and hardening of magma are

• Sedimentary

• Metamorphic

• Igneous

When two plates start to move away from each other, causing the earth's crust to crack

• Compression

• Shearing

• Tension

• Earthquake

When two plates crash into each other, possibly forming mountains

• Compression

• Shearing

• Tension

• Pangaea

When two plates rub against each other, and move in opposite directions. It sometimes causes earthquakes.

• Volcano

• Tension

• Compression

• Shearing

The name of the supercontinent that scientists believe existed long ago (the 7 continents connected).

• Lithosphere

• Ring of Fire

• Pangaea

• Tectonic Plates

A rupture in the Earth's crust that allows lava and magma to escape from below

• Earthquake

• Ring of Fire

• Stress

• Volcano

A sudden and violent shaking of the Earth's surface caused by moving plates below the Earth's surface

• Earthquake

• Volcano

• Pangaea

• Tectonic Plates

A major area on the Earth's crust where many volcanoes and fault lines can be found

• Tectonic Plates

• Shearing

• Ring of Fire

• Lithosphere