Leaf in Sunlight
Age 13 · Science
A green leaf uses sunlight, carbon dioxide, and water to make sugar. It releases oxygen into the air.
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Age 13: open this week
Browse Age 13In the picture
- Sunlit leaf surface: sunlight is captured
- Stem channel: water travels from the roots up to the leaf
- Tiny leaf pore: carbon dioxide enters the leaf
- Pale bubble at the leaf edge: oxygen leaves the leaf
- Green chloroplast in the leaf cell: sugar is made
Examples
- A potted plant on a sunny windowsill
- A tree in a park on a clear day
Key takeaways
- Plants use light energy to make sugar.
- Oxygen is released during photosynthesis.
Quiz: Leaf in Sunlight (Age 13)
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During photosynthesis, what does a plant use light energy to make?
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Which gas enters a leaf through its tiny pores?
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What does photosynthesis release into the air?
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