Understanding Waves

Explore the world's water without leaving the classroom! In this second of three uncomplicated but wonderful activities, physical science learners feel the pressure of water. They discover that the deeper the water, the stronger the...

Through a PowerPoint presentation and the embedded animation and video, earth science enthusiasts find out about the moisture in the soil beneath our feet. In the animation, follow a water molecule on its path through the water cycle. As...

Learners investigate the water cycle by performing a simple hands-on activity using a plastic container, plastic cup, a rock, and a reflector lamp. They observe the model and measure the water level from time to time.

Curious physical scientists follow a lesson on the properties of water with this lesson on distillation. They observe a miniature water cycle model that filters dirty water into clean water. These two lessons combined are an enriching...

A fabulous presentation on light is here for you. In it, learners view slides which cover many important concepts of light. They understand exactly what light is, what the main sources of light are, what opaque, transparent, and...

A tremendous presentation on the properties of light. Young scientists are treated to slides which share a lot of fascinating information about light. This impressive PowerPoint is filled with great photos, graphics, and discussion...

This well-designed presentation covers many important aspects of the science behind light. In it, pupils view slides that have a lot of the important vocabulary associated with science, slides of famous scientists who made important...

The goal of this collection of lessons is to make middle schoolers more aware of the ways in which they are dependent upon water to maintain their standard of living. Learners compare water use in Lesotho to water use in the United...

Does your lesson plan for wave properties have its ups and downs? Get some fresh ideas from an informative video! The narrator discusses PS4A, showing the must-know ideas for each grade level through concept maps and demonstrations.

Everyone knows that guitar music rocks - but why? And how? Learn about the ways a single pluck can create sounds that resonate from string, to ear, to soul with a fascinating video about the physics of sound vibration.