A well-designed, comprehensive, and attractive slide show supports direct instruction on how sonar and echolocation work. Contained within the slides are links to interactive websites and instructions for using apps on a mobile device to...

How many oceans can you name? First, have learners try to name as many oceans as they can, and then have them locate and identify the oceans on a world map. They create a recognizable ocean animal using poster board and tissue paper....

Students examine the characterisitics of Saturn's largest moon, Titan. They discuss what they think is on Titan and what the Huygens probe can tell them about the moon. They write a summary about the information they gathered during...

Students investigate how to see, describe and draw faint or subtle features on an object which is thought of by most people as having a smooth, featureless surface. The exercise is important to reinforce skills in making observations...