The earth's average temperature has risen a little more than ___degree Fahrenheit during the past 100 years or so.

• 1

• 10

• 20

• 5

Climate models expect that Earth's average temperature will ______over the next 100 years or so.

• stay the same.

• keep rising

• get much colder

• get much wetter

"_______" refers to any long-term change in climate. This includes warming, cooling and changes besides temperature.​

• Global warming

• Climate change

Rising sea levels, higher ocean temperature and Global warming, are considered____________ of Climate Change.

• Causes

• Advantages

• Effects

Changes in the average conditions — such as temperature and rainfall — in a region over a long period of time, is described as:

• Weather

• Climate change

• Ecosystem

One way of reducing the effects of climate change is:

• Avoid using energy-efficient appliances. .

• Using alternative energy such as solar, wind or tidal can reduce the use of fossil fuels. .

• Using non-renewable sources of energy

Why are the gases called' Greenhouse gases'?

• They cause rainfall

• They are green

• They absorb heat

Explain how do greenhouse gases contribute to global warming

List 2 human activities that contribute to Global Warming

What evidence do we have that global temperatures are rising and climates are changing?

• Global temperature data

• Evidence of glaciers and ice-caps melting

• Sea-level data (satellite and tidal)

• Various biological responses in ecosystems

• All of the above