Science test

What are the greenhouse gases?

What do greenhouse gases do?

What is the greenhouse effect?

How does the greenhouse effect work?

Is the greenhouse effect a good thing?

So why is the greenhouse effect considered a bad thing and is linked to global warming?

Fill in the blanks on the diagram below and label it using the following key words: Sun Atmosphere Greenhouse Radiation Space Earth

How are humans affecting the levels of greenhouse gases? Human activities have significantly raised the levels of many greenhouse gases in the atmosphere. Carbon dioxide specifically is the gas that has greatly increased due to human activities. Prior to the industrial revolution, the greenhouse gases were balanced. Once the revolution occurred, there have been more fossil fuels burned, deforestation & other human activities that lead to an increase in the greenhouse effect.

CAUSE EFFECT

Burning fossil fuels from factories (oil, coal, natural gas) Releases ____________ into the atmosphere

CAUSE EFFECT

Deforestation (cutting down trees) ___________________the amount of plants and trees that would ____________________ this _________ during ________________