Activity

SciGirls in bike shop talking to store employee about bikes

Pedal Power

Engineering & Design

Time to complete: 2 hours

Biking is fun for all ages, but can be tough unless you’re in the right gear. A bike’s gear system is designed to make pedaling more efficient on different terrains. The gear ratio measures how many times the back wheel turns for each rotation of the pedals.

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Pedal Power - Full Episode

Pedal Power - Full Episode
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Pedal Power - Research
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Pedal Power - Research and Brainstorm
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Pedal Power - Plan
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Pedal Power - Mentor Moment
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Pedal Power - Test and Redesign
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Pedal Power - Share
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Activity

Deep Sea Diver

Engineering & Design

Time to complete: 45 minutes

Think like an ocean engineer and design your own model deep sea diver.

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Activity

Three SciGirls touching a polar bear paw mold

No Slip Grip

Physical Science

Time to complete: 1 hour

Predict the amount of friction different surfaces will create.

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Activity

Girl with Leaves

Breaking Point

Life & Environment

Time to complete: 45 minutes

Test leaf toughness with your own penetrometer.

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