Mon Prof Augmenté
Dry flake wakes
Age 9 · Science
A slime mould can dry into a brittle resting flake when food and water run out. When water touches it, it swells and grows into a spreading yellow network again.
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Age 9: open this week
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In the picture
- Dry resting flake: a brittle yellow patch curled on bark
- Water droplet: a clear bead touching the dry flake
- Revived network: yellow strands spreading outward after water returns
Examples
- A dry sponge soaking up water and swelling.
- A wilted plant standing up again after it is watered.
Key takeaways
- Some living things can pause in a dry resting state for a long time.
- Water can wake a dry resting flake and make it grow again.
Quiz: Dry flake wakes (Age 9)
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When food and water run out, what can some living things do?
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What can wake a dry resting flake and make it grow again?
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After water returns, what does the dry resting flake grow into?
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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