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The Earth
Glossary
Term | Definition |
---|---|
Hypocentre | Where an earthquake starts. |
Epicentre | Area directly above hypocentre on the surface. |
Earthquake | Shaking of the ground. |
Tectonic Plates | Parts where the Earths crust is broken up. |
Pangea | Supercontinent. |
Inner Core | Centre of the Earth. |
Outer Core | Directly above inner core. |
Mantle | Directly above outer core. |
Crust | Surface of the Earth |
Nepal | Country in Asia. |
Life Expectancy | How long people will live for. |
P Waves | Primary waves. It is the fastest wave. |
S Waves | Secondary waves. |
Surface Waves | Seismic waves on the surface of the Earth. |
Seismic Waves | Energy released during an earthquake. |
Compression | When tectonic plates push against each other. |
Tension | When tectonic plates pull away from each other. |
Shearing | When tectonic plates slide along each other. |
Red Cross | An organization designed to help people all over the Earth. |