Let's talk about earthquakes .... Using the Internet, pupils research what causes earthquakes, how scientists measure them, their locations, and their effects. The resource is not only informative, but it also builds crucial...

We can learn from the past to protect the future. Pairs look at two historical earthquakes: San Francisco, Calif., and Kobe, Japan. Pupils compare the two earthquakes and their impacts, then determine how engineers may use the...

Human impacts on the environment can sometimes be difficult to measure, especially under water! An activity centered on ocean acidification gives science scholars the opportunity to examine the effects of carbon dioxide on marine life....

How does a change in pH affect the ocean ecosystem? Scholars explore the idea by making an acid-base indicator in part seven of the 10-installment Discover Your Changing World series. First, they explore impacts of carbon dioxide in...

Let the true colors shine through. Pupils conduct a flame test to identify an unknown element. Class members calculate and prepare specific molarity solutions of three chemicals. Using their observations of the colors emitted, they...

Students learn what causes earthquakes, how we measure and locate them, and their effects and consequences.