Mon Prof Augmenté
Leaf Pores
Age 10 · Science
Leaves have tiny openings called pores. These openings open and close to let carbon dioxide in and oxygen out.
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Age 10: open this week
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In the picture
- Pore opening: the gap between two curved cells.
- Guard cell: one of two curved cells that border the gap.
- Carbon dioxide molecule: a dark sphere joined to two red spheres.
- Oxygen molecule: two red spheres joined together.
Examples
- A geranium on a windowsill takes in carbon dioxide through its leaf pores.
- A maple tree in a park releases oxygen through its leaf pores.
Key takeaways
- Leaf pores can open and close.
- Carbon dioxide goes in, and oxygen goes out.
Quiz: Leaf Pores (Age 10)
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What are the tiny openings on leaves called?
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What can leaf pores do?
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Which gases move through leaf pores?
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