Messenger Education
Can You Hear Me Now?—Communicating with Spacecraft
Radio signals transmitted to Pluto take five hours to reach their destination! In these two activities, young scientists explore data communication in space. In activity one, pupils learn how data is gathered and sent back to Earth....
Florida International University
The Good, the Bad and the Nasty Tasting
Examine the benefits of chemical defense mechanisms. Organisms in oceans use chemicals to ward off predators. Duplicate this adaptation using a hands-on experiment in which you ward off your predators (your pupils) with some bad-tasting...