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WorksheetsCauses of and evidence for climate change
Total questions: 13
Worksheet time: 7mins
Over the last 800,000 years, the earth's average temperature is lower than it has been today.
True
Flase
How much have global temperatures increased by since 1880?
About 1oC
About 2oC
About 3oC
About 4oC
What is causing rising sea levels?
Ice caps melting.
Glaciers melting.
Thermal expansion
Rain.
How do scientists work out the temperature of the earth going back thousands of years?
Tree rings
By making it up
Ice cores
Since 1975, how much has arctic sea ice thinned?
25%
50%
75%
100% (No ice left)
Which if these are natural causes of climate change?
Variations in solar output
Changes in the earth's orbit known as Milankovitch cycles
Carbon dioxide emissions from burning fossil fuels.
Volcanic activity
Changes in the shape of the earth's orbit are called:
Eccentricity
Precession
Axial tilt
Changes in the angle of the earth's is called:
Eccentricity
Precession
Axial tilt
The wobble of the earth on its axis is known as:
Eccentricity
Precession
Axial tilt
Identify the greenhouse cases from the list.
Nitrogen
Carbon dioxide
Methane
Nitrous oxides
Identify the sources of carbon dioxide from the list.
Burning fossil fuels
Deforestation and burning wood.
Car exhausts
Farm animals
Rice farming.
Identify the sources of methane from the list.
Burning fossil fuels
Deforestation and burning wood.
Car exhausts
Farm animals
Rice farming.
Identify the sources of nitous oxides from the list.
Burning fossil fuels
Fertilisers
Car exhausts
Farm animals
Sewage treatment
