Chapter 3 The Atmosphere

How does the amount of greenhouse gases in the atmosphere affect the atmosphere's temperature?

• If greenhouse gases in the atmosphere increase, they trap more heat and warm the atmosphere.
• If greenhouse gases in the atmosphere increase, they trap less heat and the atmosphere cools.
• If greenhouse gases in the atmosphere decrease, they trap more heat and warm the atmosphere. 

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Heat from the sun travels to Earth by _____.

• conduction
• convection
• insulation
• radiation

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What is an electromagnetic wave?

• The direct transfer of energy by electromagnetic waves.
• A form of energy that can move through the vacuum of space.
• Wavelengths that are longer than red light.
• Invisible form of energy with Wavelengths that are shorter than. violent light

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What is radiation?

• The average amount of energy of motion of each molecule of a substance.
• Sunlight travels through the atmosphere to earth's surface.
• The direct transfer  of energy by electromagnetic .
• The middle portion of the atmosphere.

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What is an Ultraviolet radiation?

• Wavelengths that are longer than red light. 
• Energy from the sun travels to Earth across a full spectrum of wavelengths.
• It radiates most of the energy back into the atmosphere.
• An invisible form of energy with wavelengths that are shorter than violet light. 

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What is scattering?

• invisible form of energy.
• Dust particles and gases in the atmosphere reflect light in all direction. 
• energy from earth's atmoshpere.
• dolphin.

What is greenhouse effect?

• the process by which gasses hold heat in the air .
• water vapor and dioxide.
• particles in the atmosphere.
• heat

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Sunburn is caused by _____________________.  It can't be felt as heat.

• infrared radiation
• visible light
• spectrum radiation
• ultraviolet radiation

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A natural process that holds heat in is called_________________.

• greenhouse effect
• infrared radiation
• ultraviolet radiation
• visible light

Where you will find the ozone layer.

• stratosphere
• thermosphere
• exosphere
• mesosphere