Unit 4 Q4 G6 Revision

Human activities are increasing the level of greenhouse gases in the atmosphere.

• True

• False

What is an effect of global warming?

• melting glaciers and rising sea levels

• population is increasing

• more forest areas

• all of the above

Solutions for limiting global warming and climate change include...

• finding clean, renewable sources of energy.

• being more energy efficient.

• removing carbon from fossil fuel emissions.

• all of the above

Most of the carbon dioxide in the atmosphere was released by people burning...

• methane

• forest

• fossil fuels

• farm land

One cause of rising global temperatures is increasing levels of _________________________.

• people

• forest

• farm land

• greenhouse gases

The most abundant greenhouse gas is _______________.

• oxygen

• nitrogen

• carbon dioxide

• all of the above

What helps keep our Earth's surface warm?

• greenhouse effect

• the moon

• ocean tides

• the seasons

stops harmful UV rays from the sun from entering the atmosphere.

• ozone layer

• emissions

• recycling

• Greenhouse Effect

significant change in climate, such as temperature/precipitation lasting for an extended period

• acid rain

• emissions

• deforestation

• climate change

gasses that trap heat such as  Carbon Dioxide and Methane

• pollution

• greenhouse gases

• deforestation

• recycling