Weather watchers are introduced to temperature scales using step-by-step animated slides. The Home set explains the Fahrenheit scale on a thermometer, while the Watch Out! set introduces Celsius. A Try It! tab contains two guided...

See the relationship between Celsius, Fahrenheit and Kelvin scales with this interactive activity.

An interactive thermometer shows temperature in both Celsius and Fahrenheit and "translates" the temperature you choose into real life situations, like "Fun in the Snow," "Nice Sunny Day," or "Boiling Water."

[Free Registration/Login Required] Use the linear equation graph to convert temperatures from Celsius to Fahrenheit. After the activity, answer the challenge question to check for understanding.