What the weather like today? How about in other countries? In Celsius and Fahrenheit? Have your learners use the Internet to look up the weather in Spanish! They'll discuss their findings in Spanish with a partner and create a chart over...

Using helium as an example of propane, physical science middle schoolers experiment with and graph the relationship between temperature and volume in gases. In a whole-class demonstration, they show how molecules behave under different...

Discuss different sources of energy and how much greenhouse gas each might emit. The six sources are then ranked according to emissions from greatest to least. Finally, the true cumulative emissions are revealed to show the class how...