Can you hear it now? Young scientists experiment with sound waves using metal objects and string. They strike metal objects while they hold them and as the objects hang from a string to compare the sound. They discover that sound travels...

Not all sandwiches are tasty. Scholars use basic materials to build an instrument called a sound sandwich. They see how blowing on the instrument causes rubber bands to vibrate, which produces sound waves.

Visualize vibrations within the classroom. Pupils see the connection between sound and waves. The learners use a tuning fork in two different ways to demonstrate the waves associated with sound. Scholars see how the sound waves from a...

Pupils construct and play various musical instruments made from straws and bottles. They investigate how changes in their instruments result in tone changes. Learners change the lengths and amount of water in the instruments and record...

What's so amazing about birds? Find out just how amazing birds are with a physics of animal behavior unit created by Cornell Lab of Ornithology. Have learners explore and tap into their observational skills and notice how birds fly, what...

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.