Causes of Climate Change

What are greenhouse gases?

• gases that make the earth colder

• gases that come from the sun

• gases that contribute to thickening the atmosphere

• gases that come from greenhouses

Which two of the following are greenhouse gases?

• Methane

• Oxygen

• Carbon Dioxide

• Hydrogen

How does burning fossil fuels contribute to the greenhouse gas effect?

• It releases carbon dioxide

• It causes pollution

• It burns things so it creates heat

• It damages rivers and the water cycle

Why does cutting down trees cause global warming?

• It releases carbon dioxide

• It releases oxygen

• It reduces the amount of carbon trees can absorb

• It creates gasses that are green

Other than cows, what type of farming releases the most methane?

• Sheep farming

• Citrus farming

• Goat farming

• Rice farming

What year did Mount Pinatubo erupt?

• 1985

• 1991

• 2001

• 2012

What effect did the Mt Pinatubo eruption have on the earth?

• The temperature went up by 2 degrees Celsius

• The temperature went down by 2 degrees Celsius

• The temperature went up by 0.5 degrees Celsius

• The temperature went down by 0.5 degrees Celsius

Solar flare, sun spots and volcanic eruptions are what kind of cause?

• Human

• Natural

Burning fossil fuels, farming, and deforestation are what kind of cause?

• Human

• Natural

I think that the cause that has the most impact on global warming is...

• Human causes

• Natural causes