E11 - U5 - L1

Most places on Earth are warmer than they were 100 years ago.

• True

• False

Where have some of the strongest and earliest impacts of global warming occurred?

• In the tropics

• In the Northern latitudes

• Impacts of global warming are distributed equally all over the planet.

How do scientists collect evidence about climate?

• Using remote sensing from space with satellites

• By ground-based measurements of surface temperature, carbon dioxide concentration and sea level

• By collecting "proxy data" from tree rings, ice cores and historical records

• All of the above

Which of the following gases does NOT trap heat?

• Carbon dioxide

• Nitrogen

• Water vapor

• Methane

As average global temperature rises, ___.

• average rainfall increases

• average rainfall decreases

• average rainfall is unchanged

Which greenhouse gas is the main driver of Earth’s current warming?

• Carbon dioxide

• Nitrous oxide

• Water vapour

• Methane

Read the conversation again and complete the diagram using the following phrases.

• Making the planet warmer

• Stopping the heat from escaping

• Producing certain gases (e.g. CO2)

• Trapping the sun's heat

Match the words to make phrases used in Activity 1

• warming

• hear-trapping

• gases

• human

• activities

• greenhouse

• levels

• sea

• pollutants

• global

______ for energy, fossil fuels release large amounts of carbon dioxide into the atmosphere.

_____ too much of the sun's hear, greenhouse gases stop it from escaping back into space.