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WorksheetsGlobal Warming
Total questions: 15
Worksheet time: 8mins
The Earth is surrounded by
The asteroid belt
Nothing at all
The atmosphere
A layer of hydrogen
Greenhouse gases can
Clean your greenhouse
Trap the heat escaping from earth.
Inflate your greenhouse
Cool the Earth
The Earth is warmed by the
Clouds
The people on it
The ocean
The suns rays.
An example of a greenhouse gas is
Carbon dioxide
Helium
Oxygen
Hydrogen
Why are greenhouse gases important?
They help us breathe.
They are used to turn wind turbines
They keep the Earths temperature at the correct level.
They inflate the clouds.
Carbon dioxide is NOT made by
Humans breathing out
Dogs breathing out
Volcanoes
Plants during photosynthesis
Methane is
Made by rice in paddy fields
Not a greenhouse gas
Not given off by cows.
Not causing global warming.
Fossil fuels are
Coal, oil and gas.
Burning rocks
Burning fossils
Non flammable
When fossil fuels burn they give off
Oxygen
Hydrogen
Carbon dioxide
Helium
Buried waste from rubbish dumps can give off
Ozone
Carbon monoxide
Methane
Coal
CFC's are greenhouse gases and stands for
Carbon fluoro carbons
Chlorofluorochloros
Carbonfluorochloros
Chlorofluorocarbons
CFC's are dangerous because they
Repair the ozone layer
Damage the ozone layer
Damage wooden floors
Stain things green
CFC's are now banned.
They were not found in
Aerosols
Hairspray
Making foam plastics
Milk bottles
How long ago was the Industrial Revolution?
400 years
200 years
500 years
1000 years
Global warming makes the Earth
Cool down
Warm up
Stay the same
Have more mass
