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In this game-like activity (5th activity on the page), learners explore their auditory acuity as well as the importance of having two ears.

In this game (4th activity on the page) about hearing, learners test their ability to identify various sounds without looking.

In this activity, learners investigate the sense of hearing and plan and conduct their own experiments.

In this activity, learners experiment with their voices and noisemakers to understand the connections between vibrations and the sounds created by those vibrations.

In this activity (page 59 of the PDF), learners spin and observe false eyelashes in jars of water (prepared at least 1 day ahead of time) to investigate the effects of different types of motion on the

In this activity, learners investigate sound wave science, in stereo! Learners construct a "stereo" out of a metal coat hanger and piece of string to explore sound vibrations.

Sound can travel through a variety of media.

This activity (8th activity on the page) tests learners' ability to identify things using only the sense of hearing.

In this activity (4th on the page), learners conduct a series of tests to find out which of their ears is more dominant.

This activity (9th activity on the page) about hearing demonstrates to learners the importance of having two ears.

In this activity (11th activity on the page), learners use pennies to test their hearing acuity.

In this activity (last activity on the page), learners make a model of the eardrum (also called the "tympanic membrane") and see how sound travels through the air.

In this four-part activity, learners explore light and sound through a variety of hands-on investigations.