Table of Contents
What is the greenhouse effect?
The greenhouse effect is a natural process that helps warm Earth’s atmosphere. Certain gases in the atmosphere, including water vapor, carbon dioxide, and ozone, trap energy from the sun. This trapped energy then warms the atmosphere. Without the greenhouse effect, the average temperature on Earth would be about zero degrees Fahrenheit (-18 degrees Celsius). The greenhouse effect is important because it allows Earth to have a hospitable environment.
However, human activities, such as the burning of fossil fuels, can also cause the greenhouse effect. This is called global warming. When humans emit greenhouse gases into the atmosphere, it causes the Earth’s atmosphere to warm. This can have harmful consequences, such as more extreme weather conditions and melting glaciers.
Ideas for MCQs on Greenhouse Effect
1. What is the greenhouse effect?
The greenhouse effect is a natural phenomenon that helps to keep the Earth’s temperature warm enough to sustain life. The Earth’s atmosphere traps energy from the sun, which heats the planet. This trapped energy is then radiated back out into space, but some of it is absorbed by greenhouse gases in the atmosphere. These gases then emit heat, which warms the Earth’s surface.
2. What are the main greenhouse gases?
The main greenhouse gases are water vapor, carbon dioxide, methane, ozone, and nitrous oxide.
3. How does the greenhouse effect contribute to global warming?
The greenhouse effect contributes to global warming by trapping heat in the Earth’s atmosphere. This trapped heat causes the Earth’s temperature to rise, which leads to climate change.
4. What are some of the consequences of global warming?
Some of the consequences of global warming include sea level rise, melting glaciers and ice sheets, changes in precipitation, and changes in the distribution of plant and animal species.
