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atmosphere


protective layer of gases that surrounds Earth

The gases in the atmosphere shield us from the sun’s damaging rays.

remote


far away from other people, houses, or cities

Ben’s house is so remote that it takes his friends hours to reach it.

insulate


add material that keeps heat from escaping

A puffy coat will insulate you to keep you warm in the snow.

stratosphere


layer of the atmosphere that begins 13 kilometers (8 miles) above Earth’s surface

Skydiver Felix Baumgartner set a world record in 2012 by jumping from the stratosphere, 24 miles up.

air current


air moving from a place with high pressure to a place with low pressure

Air currents can blow clouds across the sky.

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