California Academy of Science
Guess That Spice
From medical treatments to cooking, people have been using herbs and spices for thousands of years. Perform a blind smell test of household herbs and spices to engage students in learning about ancient spice trading. Research the history...
It's About Time
Elements and Their Properties
How did ancient scientists classify elements? Answer this question and others as young chemists create a device to test the properties of various elements. They classify elements as metals or nonmetals, learn to differentiate between...
US Department of Energy
Geothermal Energy
With Earth Day quickly approaching, as well as many science fairs, why not challenge your class to investigate geothermal energy or other renewable energy resources? There are five driving questions explored in depth here, as well as...