Noisy/Quiet: Range of Vibration

18th January 1980 30 mins Season 1 Episode 5

Lisa, Marc, and Trini are given a puzzle. They hear a bell ring and, as instructed, put the bell in a closed jar and take out some of the air with a vacuum pump. Since they don't hear the ringing, they begin to wonder: Is the bell broken?

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Season 1 · Episode 6

Forces and Motion

Trini becomes concerned when and where a hurricane is projected to strike. Marc visits Six Flags Great America to learn the mechanics and design of roller-coasters and talks to Frisbee-throwing champion John Kirkland. He also checks out a stuntman-in-training. Lisa rides in a glider.Film insert: animal force in motion.THE BLOODHOUND GANG: ""The Case of the 264-Pound Burglar, Part One."" An old lady's life savings is stolen from her attic. Did the culprit weigh 264 pounds, as a found weight card suggests? (Concludes in next episode.)

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