Unit 4 Vocabulary Words

Magma chamber

• A large pool of liquid rock beneath the surface of the Earth.

• A solid mass of rock found in the Earth's crust.

• A type of volcanic eruption that occurs underwater.

• A layer of gas surrounding the Earth.

Magnetic field

• The area around a magnet where magnetic forces are exerted.

• A region where electric charges are stored.

• The force that attracts or repels magnetic materials.

• A type of energy that can be converted into electricity.

Fossil

• The preserved remains or impression of a prehistoric organism.

• A type of rock formed from volcanic activity.

• A living organism that has existed for millions of years.

• A modern animal that has adapted to its environment.

Paleomagnetism

• The study of the record of the Earth's magnetic field in rocks.

• The analysis of ancient climate patterns through sediment layers.

• The examination of fossilized remains to understand evolutionary processes.

• The measurement of seismic waves to predict earthquakes.

Convection current

• A flow of fluid that transfers heat within the fluid.

• A solid that conducts heat poorly.

• A gas that does not transfer heat.

• A liquid that remains at a constant temperature.

Magma

• Molten rock beneath the Earth's surface.

• A type of sedimentary rock.

• A solid form of lava.

• A gas released during volcanic eruptions.

Convection

• The transfer of heat by the movement of a fluid.

• The transfer of heat through direct contact.

• The transfer of heat through electromagnetic waves.

• The transfer of heat by radiation.

Inner Core

• The outermost layer of the Earth, composed of soil and rocks.

• The innermost part of the Earth, composed primarily of iron and nickel.

• A layer of liquid rock that surrounds the inner core.

• The layer of the Earth that contains the oceans and atmosphere.

Glacier

• A large mass of ice that moves slowly over land.

• A type of rock formation found in mountains.

• A body of water that freezes in winter.

• A large sand dune in a desert.

Transform boundary

• A tectonic plate boundary where two plates slide past each other horizontally.

• A tectonic plate boundary where two plates move away from each other.

• A tectonic plate boundary where two plates collide and one is forced under the other.

• A tectonic plate boundary that is characterized by volcanic activity.