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What is the atmosphere?

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The atmosphere is a layer of gases surrounding the Earth, essential for life, providing oxygen, and protecting from harmful solar radiation.

Tags

NGSS.MS-ESS2-5

Front

What are the main layers of the atmosphere?

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The main layers of the atmosphere are the Troposphere, Stratosphere, Mesosphere, Thermosphere, and Exosphere.

Front

What is the Troposphere?

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The Troposphere is the lowest layer of the atmosphere, where weather occurs and where we live.

Front

What is the Stratosphere?

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The Stratosphere is the second layer of the atmosphere, above the Troposphere, where jets usually fly and contains the ozone layer.

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What is the Mesosphere?

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The Mesosphere is the third layer of the atmosphere, located above the Stratosphere, where temperatures decrease with altitude.

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What is the Thermosphere?

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The Thermosphere is the fourth layer of the atmosphere, characterized by high temperatures and where the auroras occur.

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials.

Tags

NGSS.MS-PS3-3

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids and gases) caused by differences in temperature.

Tags

NGSS.MS-ESS2-6

Front

What is radiation?

Back

Radiation is the transfer of heat in the form of electromagnetic waves, such as sunlight.

Front

What is the role of the ozone layer?

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The ozone layer, located in the Stratosphere, protects living organisms by absorbing most of the sun's harmful ultraviolet radiation.