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The Greenhouse Effect and Global Warming

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The Greenhouse Effect and Global Warming

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Questions and Answers

What is the main cause of the Earth's slightly warmer atmosphere?

Direct solar heating from the Sun (correct)

Absorption of energy from the Moon

Reflection of light from the Earth's surface

Emission of infrared radiation from the atmosphere

What is the role of greenhouse gases in the atmosphere?

Converting solar energy into chemical energy for plants

Absorbing ultraviolet radiation and cooling the atmosphere

Reflecting visible light and preventing solar heating

Trapping infrared radiation and increasing the temperature of the atmosphere (correct)

Which gases are responsible for trapping energy from the sun and causing the greenhouse effect?

Methane, ethane, propane, butane, pentane

Nitrogen, oxygen, carbon monoxide, sulfur dioxide, helium

Helium, argon, krypton, neon, xenon

Water vapor, carbon dioxide, nitrous oxide, ozone, methane (correct)

What analogy is used to explain the behavior of greenhouse gases?

<p>Glass panes in a greenhouse</p> Signup and view all the answers

What happens to the sunlight's energy once it is absorbed by the Earth's surface?

<p>It is sent back into the atmosphere</p> Signup and view all the answers

Study Notes

Greenhouse Effect

The main cause of the Earth's slightly warmer atmosphere is the presence of greenhouse gases in the atmosphere, which trap energy from the sun and prevent it from being released back into space.

Role of Greenhouse Gases

Greenhouse gases, such as carbon dioxide, methane, and water vapor, play a crucial role in the Earth's atmosphere by trapping energy from the sun and maintaining a habitable temperature.

Responsible Gases

Carbon dioxide, methane, and water vapor are the primary gases responsible for trapping energy from the sun and causing the greenhouse effect.

Analogy

The behavior of greenhouse gases is often explained using the analogy of a blanket, where the gases act as a layer that wraps around the Earth, trapping warmth and energy.

Energy Absorption

Once sunlight's energy is absorbed by the Earth's surface, it is re-radiated back into the atmosphere as infrared radiation, which is then trapped by greenhouse gases, maintaining a warm atmosphere.

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Description

Explore the concept of the greenhouse effect and its impact on global warming. Learn about the role of greenhouse gases and their effect on Earth's atmosphere.