1. Isotherm LAB

2. Procedures
Draw a smoothly curving line connecting points on the map where temperatures are the same.
40s line
50s line
60s line
70s line
80s line

3. Procedures
2. Retrace the lines darker once you are finished correcting your mistakes.
3. Using colors, shade each temperature range a different color.
30s = purple
40s = blue
50s = green
60s = yellow
70s = orange
80s = red
4. Make a temperature/color key. (Copy the above key onto the front of the map.)

5. Questions
How do the isotherm help you to understand what weather is like in different parts of the country?
How might this be useful in forecasting the weather conditions in a particular area?
What patterns can you see in temperatures? Where is it typically warmer? Where are the temperatures typically cooler?
What reasons can you think of to explain the temperature patterns you notice?