17 Questions
What are the main components of Earth's atmosphere?
nitrogen gas, oxygen gas, and argon
How is the atmosphere divided?
troposphere, stratosphere, mesosphere, thermosphere, and exosphere
What are the functions of the components of air?
allowing both plants and animals to breathe, trapping heat on Earth, and blocking harmful UV radiation
What are the two most abundant gases in Earth's atmosphere?
nitrogen gas and oxygen gas
What is the purpose of the ozone layer?
to absorb ultraviolet light and protect Earth's surface
What is the greenhouse effect and how does it affect Earth's temperature?
The greenhouse effect traps infrared light and increases Earth's temperature. Human activities, such as burning fossil fuels, have increased the amount of greenhouse gases, leading to global warming.
What are the main components of Earth's atmosphere and their respective percentages?
Nitrogen (78%), Oxygen (21%), Argon (0.9%), other gases (0.04%)
Why are the greenhouse gases in the atmosphere important?
They trap heat and contribute to global warming
What is the role of ozone in the atmosphere?
It protects us from harmful UV radiation from the sun
What is the approximate height to which our atmosphere extends above the ground?
Over 300 miles
Why are even small percentages of a lot still significant in the Earth's atmosphere?
Because there is a lot of air
What are some of the greenhouse gases mentioned in the text?
water vapor, carbon dioxide, methane, ozone
What is the role of greenhouse gases in the atmosphere?
They trap heat and contribute to the warming of Earth
Why is the thinning of the ozone layer a major concern?
It allows more harmful UV radiation to reach Earth, causing health issues and harming plants and animals
What are the main components of Earth's atmosphere and their percentages?
The main components of Earth's atmosphere are nitrogen (78%), oxygen (21%), argon (0.9%), and 'other gases' (0.04%).
What is the role of greenhouse gases in Earth's atmosphere?
Greenhouse gases trap heat and help keep Earth warm enough for life to thrive. However, increasing concentrations of greenhouse gases due to human activity are causing excessive warming.
Why is ozone important in the atmosphere?
Ozone protects us from harmful UV radiation coming from the sun. It absorbs most of the UV radiation, preventing it from reaching the Earth's surface and causing health issues such as skin cancer and DNA mutation.
Test your knowledge of the greenhouse effect and its impact on Earth's temperature with this quiz. Learn about the gases that allow sunlight to enter Earth's atmosphere but prevent infrared light from escaping, ultimately keeping the planet warm enough for life to thrive.
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