Airbag Above the Snow
A skier’s backpack inflates into a big balloon in about two seconds. With more volume, the moving snow lifts the skier instead of burying them.
This picture is part of the full library
Every lesson is open to everyone for 7 days after it is published. This one came out on September 13, 2026: its text stays readable here, and its picture opens with a subscription.
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Age 12: open this week
Browse Age 12In the picture
- The inflated balloon on the skier’s back
- The shoulder harness over the jacket
- The skier’s helmet above the sliding snow
- Snow granules streaming under the balloon
Examples
- A life jacket keeps a swimmer on top of rough water.
- Shaking a cereal box makes the big pieces rise to the top.
Key takeaways
- A larger volume makes the moving snow push a body upward.
- The airbag has to be pulled before the snow stops moving.
Carry on in the app
Three questions on this lesson. It has left the free week, so its quiz is for subscribers.
At least one new illustrated lesson every weekday for your child’s year, with its quiz and a reminder at 6:15 pm.
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