Social Science unit 6 - the environment

In what type of pollution do toxic gasses enter the atmosphere and affect life on the planet?

• Ground pollution.

• Noise pollution.

• Air pollution.

How can we contribute to the conservation and preservation of the environment?

• Using aerosols.

• Using fertilizers and pesticides.

• Preventing tree logging.

What do we call the alteration or modification of the climate as a consequence of human activity?

• Evolutionary change.

• Environmental change.

• Climate change.

Which of the following is not evidence of climate change?

• The increase in the birth rate.

• The disappearance of amphibians.

• The melting of the ice at the Poles.

What is the name of the natural phenomenon that maintains the planet's temperature by trapping energy from the Sun known as?

• Greenhouse effect.

• Butterfly effect.

• Environmental effect.

Which of these statements is false?

• In the last years sea levels have increased.

• There have been changes in the behaviour of some animal and plant species.

• There has been an increase in extreme weather conditions.

• There are more species of animals and plants now than a hundred years ago.

Choose the things that we can do to protect natural resources and living things (it can apply to more than one answer).

• Use less water and stop polluting it.

• Create natural reserves.

• Expel chemical products from factories.

• Burn wood, coal and other natural resources.

Which of these activities produce greenhouse gases that pollute the air?

• Using wind energy.

• Using solar energy.

• Burning fossil fuels.

Which of these sentences is true?

• The greenhouse effect is a natural phenomenon caused by gases in the atmosphere.

• Many human activities emit gases that decrease the greenhouse effect.

• Without greenhouse gases, the Earth would be too hot for us to live on.

How much has the temperature increased in the last hundred years?

• 5ºC

• 0,5ºC

• 10ºC