Global Time Machine WebQuest Directions:

1. Go to go ogle (take space out) Chrome and type in the following web address :

https://climate kids. nasa. gov/tim e-ma chine/

2. Follow each step below in order to complete the WebQuest.

Click Sea-Ice à

1. Read the text in the gray box.

2. Slide the slider and observe the ice at 1995. (Just look at it and see how it has changed)

3. Slide the slider to 2010. What is the overall trend of change for the ice caps? (circle one)

a. they are smaller

b. they have stayed the same+

c. they are larger

Click Sea-Level à

1. Read the text in the gray box.

2. Slide the slider to 5ft. What well known American city would be flooded after just 5ft. of sea-level rise?

3. Continue to move the slider. At how many feet is Miami, FL under water?

4. Click on the other regions to explore the areas affected by glacial melting/sea-level rise. Which general area is always affected regardless of global location? (circle one)

a. Highlands

b. Coastal areas

c. Small islands

Click Carbon Emissions à

1. Read the text in the gray box.

2. Use the slider and move it from 2003 to May 2006 (5/06). How did the carbon level change? (circle one)

a. lower to higher carbon levels

b. higher to lower carbon levels

c. carbon levels stayed the same

3. How do you know?

4. Slide slowly to December 2009 (12/09). What region shows the highest CO2 levels?

a. Polar

b. Mid-latitudes

c. Equatorial

Click on Global Temperatures à

1. Read the text in the gray box.

2. During what years was this data collected? to .

3. Use the slider to move slowly across the bar. Around what year do you see a full temperature difference of 1 degree across most of the Earth?

4. Scoot the bar to 2007. What region is there the largest temperature difference?

a. Polar

b. Mid-latitudes

c. Equatorial

Analysis Question

Go back and review your answers and the data that you collected. Do you think there is a connection between carbon levels, global temperatures, ice melting, and sea-level rise? If so, what is the connection?

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