Do You Hear What I Hear?

Dive into the mystery of sound waves!  Scholars brainstorm questions about how sound travels and why different items make different sounds. They then conduct experiments to answer their questions.

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...

In this physics learning exercise, middle schoolers use the clues given on the bottom of the sheet to complete the crossword puzzle on sound. There are 18 clues to solve in the puzzle.

Except for a few blurry photos that you can leave out, this is a succinct, yet purposeful presentation. It explains what causes ocean waves, the parts of a wave, and how they break against a shore. It details the cause of tides and...

If a tree falls in the forest and no person is around, does it still make a sound? Students view a short video segment to determine sound and decibel levels of various objects, including the loudest and quietest possible sounds humans...

Why do dissonant noise cause a physical reaction of fear in humans? The video explains why some things sound scary and how we evolved to be more afraid of sounds than sights. It details how people constantly live in the past and how...

How does this sound? It's a rockin' video starring two teenage girls talking about music, hearing, and the ear. Listeners hear that the ear does not only gather sound waves, but also helps us maintain balance. They also will get an...

Learners examine the way they hear sounds. In groups, they label and identify the functions of the different parts of the ear. After reading a book by Helen Keller, they research the mechanisms of sound and how sounds are different...

Make sound waves visible with an experiment that asks middle schoolers to build a model ear drum using plastic bottles, rubber bands, plastic wrap, and sand-like substances.

Learners use their teeth for more than just eating. The activity shows class members how to send sound through their teeth by using an electric motor connected to a radio to generate vibrations. Biting on the motor...