This sedimentary rock is made from layers of sand and silica that have been compacted together.

This metamorphic rock is created after limestone is subjected to heat and pressure.

This rock is created when granite is subjected to extreme heat & pressure underground.

There is metamorphic and a sedimentary version of this type of rock, which is made from dead plant matter.

This rock is made from violent volcanic eruptions, and it is a foam-like version of lava.

This type of igneous rock is formed when magma cools off under the surface of Earth.

This extrusive igneous rock is formed when lava cools down very quickly, and it is a form or volcanic glass.

This sedimentary rock that contains large clasts that are bound together by a mixture of sand, mud and mineral cement.

The name for dense dark colored igneous rock that forms from magma that is rich in magnesium and iron, and low in silica.

What are rocks that have changed because of changes in temperature (heat), pressure, or both.

These are igneous rocks that form when lava cools on Earth's surface. They contain small mineral grains or crystals because they cool quickly.

These are igneous rocks that form at deep depths of the Earth. They contain large mineral grains or crystals because they cool slowly.

Which type of rock forms when magma or lava cools off.

This is one of the substances that can make up rocks: typically they form different crystal shapes.

This is the name for a metamorphic rock that has mineral grains which line up in parallel layers or bands.

This is the loose materials such as rock fragments, mineral grains, and bits and pieces of shell that have been moved by wind, water, or ice.

The name for rocks that form when sediments are compacted together by water and other layers of rocks and sediments above.

This process, involves water, wind, or ice and it breaks down rocks into smaller pieces

The movement of sediments or clasts from one location to another

Pressure from all of the built up layers pushes down on the lower layers causing the small fragments to form solid rock

These are rocks that are made of the remains of once-living things such as plants or animals

This is used to explain the endless cycle of change that rocks undergo.

These are normally, the only types of rocks that contain fossils.

Which is NOT an example of a mineral?

These extrusive igneous rocks have small grains that often cannot be seen easily by the eye

These intrusive igneous rocks commonly have large mineral crystals

What are the visible layers of sedimentary rock called?

This is a hard sedimentary rock, composed mainly of the remains of shells or shelled animals.

This sedimentary rock forms underground from partially decomposed plant material.

According to the diagram, what process is shown by letter A?

According to the diagram, what process is shown by letter B?

Which of the following is not a rock?