Wave goodbye to the same old demonstrations for alternative energy sources, and wave hello to this one investigating ocean waves! Using a water bottle to create an oscillating water column, learners see and possibly hear how the...

Students use water filled pipes to play a tune and consider the mathematics behind the sound waves. In this sound wave lesson, students play a tune with water filled pipes. They create a mathematical model to evaluate the wavelengths and...

Learn what renewable energy is, the different types, and why it's important to conserve energy.

Great animations showing how sound is produced.