Earth's Water

Science

Watch Lesson: Earth's Water

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The Boundary Between Two Air Masses Of Different Temperatures.

Air Front

Air Front Simple Definition

A Huge Body Of Air With Similar Temperature And Moisture Throughout.

Air Mass

Air Mass Simple Definition

The Weight Of The Air Pressing Down On A Surface.

Air Pressure

Air Pressure Simple Definition

An Instrument That Measures Wind Speed.

Anemometer

Anemometer Simple Definition

The Layer Of Gases That Surround The Earth.

Atmosphere

Atmosphere Simple Definition

An Instrument That Measures Air Pressure.

Barometer

Barometer Simple Definition

The Average Weather Conditions Of An Area, Over A Long Period Of Time.

Climate

Climate Simple Definition

The Boundary Of A Mass Of Cold Air Where It Slides Under A Mass Of Warm Air.

Cold Front

Cold Front Simple Definition

The Process Of A Gas Changing Into A Liquid.

Condensation

Condensation Simple Definition

The Top Of Liquid Changing Into A Gas.

Evaporation

Evaporation Simple Definition

The Warming Of The Earth When The Atmosphere Traps Heat Like A Blanket.

Greenhouse Effect

Greenhouse Effect Simple Definition

The Amount Of Water Vapor In The Air.

Humidity

Humidity Simple Definition

A Large Tropical Storm With Winds Of More Than 74 Mph.

Hurricane

Hurricane Simple Definition

Water That Falls To Earth In Any Form, Like Rain, Snow, Sleet, Or Hail.

Precipitation

Precipitation Simple Definition

A Spinning Funnel-shaped Column Of Wind.

Tornado

Tornado Simple Definition

The Boundary Where A Warm Air Mass Moves Over A Cold Air Mass.

Warm Front

Warm Front Simple Definition

The Constant Movement Of Water Through Earth And Its Atmosphere, By Evaporation, Condensation And Precipitation.

Water Cycle

Water Cycle Simple Definition

The Atmospheric Conditions At A Specific Time And Place, Like Raining And Cold.

Weather

Weather Simple Definition