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What Maps Can Show Us: Isotherms
An isotherm is a line connecting locations with equal temperature. Isotherm maps show where temperatures are relatively high and low, and also where temperature changes are gradual or dramatic over a distance. Isotherm maps help us understand why tulips and other plants emerge and bloom when and where they do.
temps in Canada

1. Write sentences that describe what the isotherm map reveals. (Use words: same/different, temperatures, Canada, USA, February 29.)

 

 

2. What do you wonder about the information given by this temperature map? (Use words: similar/different, earliest, latest, colder, warmer.)