Students access the Internet to record data on weather. They use email to answer a younger classes' questions about the weather.

Students make observations, estimates, and interpretations. They view Images of the James River at Belle Island, Virginia, including one at flood stage, a plot of peak stream flow since 1935, and an image of potholes in the Petersburg...

Students investigate growth rates of flowstone formations. They view a virtual field trip and discuss how flowstones form. They observe the cave fieldtrip and predict the growth rate for a cave formation. They graph growth rates and...

Fourth graders work in groups to research ocean currents and create posters with their findings. They locate the patterns and names of major ocean currents and identify them on a map. Students also use red pencil to show ocean currents...