Oh Noes! Scratch project cannot display.Flash player is disabled, missing, or less than version 10.2.
A project about the temperature conversion: From Celsius to Fahrenheit. Use the slider to change the value of temperature (C).
Look at wikipedia http://en.wikipedia.org/wiki/Fahrenheit
Thanks Kinderlabor for his suggestion.
Scratch is a project of the Lifelong Kindergarten Group at the MIT Media Lab