Students examine planetary movement and its relation to the tide.In this gravity lesson students describe how and why the high and low tides change every day.

Students examine the topics of ocean waves, currents, and tides. They locate and label ocean currents on a world map, conduct experiments, analyze key vocabulary, view demonstrations and record the data, and complete handouts.

Middle schoolers give examples of each of Newton's three laws as they occur in everyday experiences. They visually represent and differentiate the difference between a direct proportion and an inverse proportion. Students explain how...

Learners investigate how the motion of the Foucault pendulum proves that the Earth is rotating. They research the Internet about pendulums and conduct an experiment online. They view a multimedia presentation about pendulums and read...

Fourth graders discover how the processes of erosion and weathering alter the physical characteristics of the environment. In a student log,they record the various types of erosion and list ways to prevent it. Using clear, plastic...

Learners investigate how water goes from a solid to a liquid then back again.  In this experimental lesson students conduct their own experiment and see how water changes form. 

Students explore the main concepts of astronomy through the eleven lessons of this unit. The past, present, and future methods of studying the science are examined in this unit.