Sound and Hearing

Guiding Question: How does human hearing compare to animal hearing?

Part 2 – Test Your Hearing

Visit www.noiseaddicts.com to take the online hearing test. Put on headphones, turn down the volume to LOW, and gradually turn up the volume to a safe level. Check which frequencies you hear and which you do not.

Auditory Acuity

Go somewhere very quiet with a partner. Turn away from your partner. The partner will gently tap two plastic spoons together. Continue walking until you cannot hear the tapping anymore. Measure the distance. Repeat, but tightly cover your right ear. Repeat again, but covering your left ear.

Part 3 – How does your hearing compare to other animals?

Choose ONE article to read:

Baby Whale Whisper - see below

Elephants can hear the sound of approaching clouds

Bats show ability to change ear shape

Four animals that lie using sound

Elephant Seals recognize vocal rhythms to avoid bullies

Birds are changing their songs to shout over traffic noise

How do dolphins hear?

Dog Brains Respond to People’s Voices the Same Way that We Do

Giraffes Hum to Each Other Throughout the Night

Cyber Enhanced Dogs - see below

Now, on a piece of paper: Construct a  VENN DIAGRAM comparing and contrasting Human Hearing to Animal Hearing (the animal you read about!)

Move on to: Analog vs. Digital