Mon Prof Augmenté
How a Frog Grows Up
Age 9 · Animals
Open to everyone until Thursday, October 29
To keep it, print it while it is open.
A frog starts life as a tiny egg in the water and hatches into a tadpole that swims and breathes with gills. Bit by bit it grows legs, loses its tail, and becomes a frog that can live on land.
In the picture
- Frogspawn: eggs in clear jelly, laid in the water
- Tadpole: hatches with a tail and feathery gills to breathe underwater
- Tadpole with legs: back legs grow first, then front legs, while the tail shrinks
- Adult frog: the tail is gone, it breathes with lungs and lives on land and in water
Examples
- In spring you can find clumps of frogspawn in a garden pond.
- In early summer, small tadpoles wriggle in ponds, puddles and slow streams.
Key takeaways
- A tadpole breathes with gills, but an adult frog breathes with lungs.
- A tadpole’s back legs grow before its front legs.
Quiz: How a Frog Grows Up (Age 9)
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How does a tadpole breathe underwater?
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When a tadpole starts growing legs, which legs come first?
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What happens to a tadpole’s tail as it turns into a frog?
The answers, each with its explanation, are in the app. This quiz is free there while the lesson is in the free week.
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