Greenhouse Gases and Global Warming

What is global warming?

• The rising of the average temperature on Earth

• The entire Earth heating up over time

• The decrease of the average temperature on Earth

• The entire Earth cooling down over time

How many degrees (in Celsius) did the Earth warm up in the last century (100 years)?

(a)  

By the end of the 21st century, Earth might have an increase in temperature of ________ degrees Celsius.

• 2 to 5

• 20 to 50

• 3 to 7

• 100 to 1000

Greenhouse gases

• trap heat from the Sun

• warm the Earth

• act like a blanket

• include oxygen

What is another huge reason for global warming?

• deforestation

• the water cycle

• ecosystems

• farming

What is the name of the process by which plants take carbon dioxide from the air and release oxygen?

(a)  

What are the possible results of global warming?

• more rainfall

• unpredictable seasons

• melting glaciers

• rising sea levels

• more animal habitats

What small things can you do to combat the effects of global warming?

You can include the things from the video and

anything else that you think would help the problem of global warming.