Earth Science Review

Overall, the global temperature is

• staying constant

• increasing

• below freezing

• decreasing

Answer explanation

The greenhouse effect is natural as it helps to sustain (keep) life on earth by trapping heat in the atmosphere.

• False

• True

The increase in burning of fossils fuels has led to an ____________ in carbon dioxide in the atmosphere.

• increase

• decrease

As ocean temperatures rise, what is happening to glaciers and ice caps?

• They are getting larger.

• They are becoming more dense.

• They are melting.

• They are moving south.

Made from decomposing plants and animals

• Fosil fuels

• Fossil fuels

• Renewable energy

• Non-renewable energy

All of the following are known as heat-trapping gases, EXCEPT:

• Carbon Dioxide

• Methane

• Nitrous Oxide

• Oxygen

the gases that surround Earth or another planet

• atmosphere

• troposphere

• ozone layer

• thermosphere

Is Climate change caused by humans?

• TRUE

• FALSE

List 3 causes of climate change

• cutting down forests

• using transportation

• ozone hole

• consuming too much fossil fuels

Where are fossil fuels found?

• in rocks on the ground

• at the landfill

• at the recycling centre

• underneath the Earth's surface