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Sound: Bottle Organ

By Janice VanCleave

Blowing across the open mouth of a bottle causes the air inside the bottle to vibrate. The vibrating air produces sound. The pitch of the sound is determined by how fast the air vibrates. As the air inside the bottle decreases it vibrates faster and produces a higher pitched sound. You could write the relationship […]

Filed Under: Physics, Sound Tagged With: pitch, SOUND

Musical Bottles

By Janice VanCleave

Musical Bottles

Using bottles to make music is fun for kids of all ages. The best presentation I’ve heard were seniors who played “Lean on Me” and along with the music from the  various bottles, one student added  a drum beat by tapping on the lab table. It really was awesome–too long ago for me to have […]

Filed Under: Physics, Sound Tagged With: frequency, pitch, SOUND

Sound: Blowing a Raspberry

By Janice VanCleave

Blowing a Raspberry means to make a sound by sticking out your tongue and blowing. The sound produced is much like the sound made by flatulence (farting). Sounds are made when something vibrates and air blown between your tongue and lips causes both to vibrate as seen in the video.

Filed Under: Physics, Sound Tagged With: blowing a raspberry, flatulence, SOUND, vibration

Sound Projects Using Wind Chimes

By Janice VanCleave

Hanging metal spoons bang into each other as the wind moves them. The spoons vibrate producing sound waves through air.

Wind chimes are made of objects that make interesting sounds when the wind causes them to they bump into each other. Make your own wind chimes by following these steps. Tie one 12-in (30-cm) piece of  piece to each of 4 or more metal objects, such as spoons. Tie the free end of the strings […]

Filed Under: Science Projects Tagged With: SOUND

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Welcome to Janice’s Science Extravaganza!

The spoon hanging from the string vibrates when struck and these vibrations are transmitted through the string and the sound is amplified by the plastic cups. ABOUT ME: Hi, I am Janice VanCleave, author of 50 best-selling science experiment books for children ages 4 through high school. I taught science for 27 years. MORE.....

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