Earth Day Reading Comprehension

Printable Story with Interactive Review Questions. Read and test reading comprehension online or print and use offline. For 4th or 5th Grade and up.


Global Warming

Global warming refers to the increase of the earth's average temperature due to increasing amounts of greenhouse gases in the atmosphere.

Scientists agree that the burning of fossil fuels like oil and coal causes greenhouse gases such as carbon dioxide to escape into the air and act like a warm blanket over the earth.

One way to reduce greenhouse gases is to reduce deforestation, the cutting down of trees. Trees soak up carbon dioxide from the air, so having lots of trees around is good for the atmosphere.

There are already some changes happening because of global warming. Sea level is rising and some animals are moving to new homes because their natural habitat is disappearing. If the warming gets worse, as scientists expect, there may be some kinds of plants and animals that become extinct.

There may be more storms and floods. Due to melting ice caps, sea levels may rise so much that people have to move away from the coasts. Some areas may become too dry for farming.

All humans contribute to global warming by burning fossil fuels when they drive a car, fly in an airplane, and heat or cool their houses.

The best way to help slow down global warming is to put less carbon into the air by using less fossil fuel - something that is easy to say, but hard to do!

Which gas contributes most to global warming?
carbon dioxide
nitrogen
oxygen
carbon dioxide Burning which of these fuels puts carbon dioxide into the atmosphere?
coal
oil
Both are correct.
Both are correct. Trees give off carbon dioxide.
True
False
It doesn't say in the story.
False Trees soak up carbon dioxide.
True
False
It doesn't say in the story.
True What's the best way to slow down global warning?
Work all the air conditioners harder.
Use more coal.
Use less fossil fuel.
Use less fossil fuel. What is deforestation?
the cutting down of trees
the planting of trees
a station set up to measure CO2 in the forest
the cutting down of trees What is global warming?
a rise in temperature in the earth's core
when the average air temperature reaches 80°F
the earth heating due to build-up of greenhouse gases
the earth heating due to build-up of greenhouse gases Why would sea levels rise because of global warming?
water pollution
melting of the polar ice caps
too many large ships
melting of the polar ice caps Why would animals become extinct because of global warming?
Their natural habitat would change or disappear.
They would drown.
Hunters would kill them.
Their natural habitat would change or disappear.

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