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K-1: The Senses

Author(s): Barbara Tharp, MS, Michael Vu, MS, Delinda Mock, BA, Christopher Burnett, BA, and Nancy Moreno, PhD.

The Ear

Procedure: Part 2 (cont.)

Tell students that they observed the outer ear, which captures sound from vibrating objects. Follow by explaining there are many more parts inside our ears that help us to hear. Show students the “Ear Diagram.” Point out the various parts without emphasizing the names of the parts. Note that sound travels through the ear to receptors that gather and send information about sounds to the brain.

Lead a simple investigation in which students test “outer ears” made from paper cups. Have students cut off the bottoms of the cups and place the cups over and around their ears. Then, they can investigate how “pointing” the cup toward a sound impacts their ability to hear it.

Using yarn and tape, connect one pair of cups to the brain on the classroom human body diagram. The yarn represents the nerve cells that collect information and deliver it to the brain. 

Review the following concept with students: the ear receives sound and transmits information to  the brain, which makes sense of what is heard. Our brain allows us to recognize and remember sounds, and determine the direction from which a sound is coming.

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