​equator

​The equator is an imaginary line that circles Earth halfway between the North and South Poles.

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​The warmest climates are in places nearest to the equator.

​climate

​Climate is the weather of a place averaged over a long period of time.

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​Climate includes the changes in weather that happen during seasons of the year.

​plateau

​A plateau is a large, flat, raised area of land.

​Appalachian Mountains

​The Appalachian Mountains run all the way from Georgia in the Southeast up through Maine in the Northeast and on into Canada.

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​The Appalachian Mountains are the oldest mountain range in our country.

​desert

​A desert is an area that gets very little rain.

​mountain

​A mountain is a very high landform, often with steep sides.

​boundary

​A boundary is a line or natural feature that divides one area from another or one state from another.

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​The boundaries of Florida include a line, plus two natural features: the Atlantic Ocean and the Gulf of Mexico.

​weather

​Weather is the condition of the air at a certain time and place.

​humidity

​Humidity is the amount of moisture in the air.