Check out our channel FunScienceDemos: https://www.youtube.com/user/funsciencedemos Jared talks about measuring temperature and shows us how to make a real thermometer. Learn more about temperature at http://learningscience.org/psc2ctransferenergy.htm and http://learningscience.org/psc1apropofmaterials.htm. These are links to our companion website learningscience.org where you'll find lots of fun, interactive science sites for kids.