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Spiders:Communication

By Janice VanCleave

Janice VanCleave's Physics for Every Kid

I am a scientist that still has a child-like love for make-believe. In fact, I am guilty of telling stories to one of my grandchildren about pet spiders that live only at our farm. This started when a black fuzzy spider dropped down from a light fixture directly in front of Kimberly’s face. She screamed, […]

Filed Under: Physics, Sound Tagged With: Charlie and Elizabeth talking spiders, spider web, spider's communicate, string telephone, vibration

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

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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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