Mon Prof Augmenté
Light on a Round Ball
Age 9 · Art
A desk lamp shines from the left onto a white ball on a wooden table. The ball looks round because one side catches bright light, the other side grows darker, and a shadow falls on the table.
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 15, 2026: its text stays readable here, and its picture opens with a subscription.
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Age 9: open this week
Browse Age 9
In the picture
- The bright spot on the ball: where the light hits most directly.
- The shaded side of the ball: where the surface turns away from the light.
- The cast shadow on the table: the dark shape made when the ball blocks the light.
Examples
- A shiny apple on a kitchen counter shows a bright spot and a dark side.
- A street lamp makes a long shadow from a bicycle on the pavement.
Key takeaways
- Light usually hits one side of a round object first, leaving the other side darker.
- A cast shadow falls on the surface behind or beside an object, away from the light.
Quiz: Light on a Round Ball (Age 9)
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What makes a drawn ball look round instead of flat?
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If light shines from the left onto a ball, where is the bright spot?
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What is the cast shadow?
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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