Global Warming

Which of the following best describes global warming?

• The current temperatures on Earth

• The weather during the summer

• The increase in the average temperatures on Earth

• All of the above

Animals will migrate to cooler spots as their old habitats get too warm. This could upset the food chain and put some species in danger of ___________.

• a huge population boom causing mass hunger. 

• drowning

• extinction

• being eaten by their own kind. 

What biome is likely to expand if global temperatures increase?

• Rainforest

• Tundra

• Temperate forest

• Desert

• Grasslands

Which of the following can impact the global climate?

• Volcanic eruptions

• Greenhouse gases

• Solar activity

• Natural fluctuations of the planet

What greenhouse gas is released into the atmosphere from gasoline-burning cars?

• Carbon dioxide

• Water vapor

• Ozone

• Oxygen

Where does the energy that keeps the surface of the Earth warm come from?

• Fossil fuels

• The sun

• The spin of the Earth

• The friction of the Earth's atmosphere

• The Moon

A reduction in the overall average temperature of the Earth of 5 degrees C could cause an ice age.

• True

• False

Which of the following causes of global warming can be affected by human behavior?

• Volcanic eruptions

• Greenhouse gases

• Solar activity

• Natural fluctuations of the planet

What determines your 'carbon footprint'?

• How much trash you produce throughout a year

• The type of food you eat

• How much you exercise

• How much carbon dioxide your activities release into the air

Which of the following is an example of a renewable energy source?

• Gasoline

• Solar power

• Coal

• Fossil fuels