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Boiling point

Boiling point

The temperature at which matter becomes gas.

Glossary

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Blood pressure

Blood pressure

The pressure that blood exerts against the walls of blood vessels.

Glossary

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Weather

Weather

Differences in temperature and pressure across the globe.

Glossary

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Long-period events

Long-period events

Earthquakes with relatively low-frequency vibration.

Glossary

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Density

Density

Mass per unit of volume.

Glossary

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Saturated solutions

Saturated solutions

A solution which contains as much solute as possible.

Glossary

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Altitude

Altitude

Height above sea level.

Glossary

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Shockwaves

Shockwaves

A large amplitude compression wave.

Glossary

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Metamorphism

Metamorphism

The transformation of rocks beneath the Earth's surface.

Glossary

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Core (Earth sciences)

Core (Earth sciences)

The central part of a larger structure.

Glossary

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Fossil fuels

Fossil fuels

Fuel formed over millions of years.

Glossary

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Anticyclone

Anticyclone

A high-pressure weather system.

Glossary

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Depression

Depression

An area of low pressure.

Glossary

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Rate of reaction

Rate of reaction

A measure of how fast a reaction is taking place.

Glossary

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Aorta

Aorta

The biggest artery in the body.

Glossary

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Volt (V)

Volt (V)

The SI unit of electric potential or electromotive force.

Glossary

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Biosphere

Biosphere

The sum of all ecosystems on earth.

Glossary

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Sedimentary rock

Sedimentary rock

Rock formed by the deposition and compression of mineral particles.

Glossary

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Mantle

Mantle

The middle portion of the Earth's interior.

Glossary

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Metamorphic rock

Metamorphic rock

Naturally occuring rock.

Glossary

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