Mon Prof Augmenté
A Toy House in a Torch Beam
Age 10 · Science
Light moves in straight lines. When a solid object blocks the light, it makes a dark shape on the wall that matches the object’s outline.
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Every lesson is open to everyone for 7 days after it is published. This one came out on October 15, 2026: its text stays readable here, and its picture opens with a subscription.
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Age 10: open this week
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In the picture
- The torch: the source that sends out light.
- The toy house: the opaque object that blocks the light.
- The dark house-shaped patch on the wall: the shadow made where light cannot reach.
- The straight light rays: lines along which light travels from the torch past the roof edges to the shadow’s edges.
Examples
- Your shadow on the pavement on a sunny day.
- A hand puppet making a shape on a wall in a torch beam.
Key takeaways
- Light travels in straight lines.
- An opaque object blocks light and casts a shadow shaped like its outline.
Quiz: A Toy House in a Torch Beam (Age 10)
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How does light travel according to the card?
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What does an opaque object do when light hits it?
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What is the shadow of an opaque object like?
The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.
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