Students experience a guided inquiry into the workings of an ultrasonic motion detector. They are led to study something they cannot see, hear, feel or taste. Students design strategies to avoid becoming prey of the predatory "Batzilla."

Immerse your young marine biologists in the world of marine animals. The lesson includes several activities that are age-appropriate for preschoolers and kindergartners, including coloring pages, gluing feathers and sand onto paper...