01

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Leo learned that tadpoles are baby frogs.
He wonders how other animals and plants change as they grow.

02

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Frogs change from eggs to tadpoles to adult frogs to old frogs during their life cycle.
What stages do some other animals complete?

03

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What about plants?
How do they change during their life cycle?

04

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These life cycles all include birth, growth, making new animals or plants and aging.

05

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Choose a plant or animal life cycle to show in a model.

06

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Build models.
Show Leo four parts of the life cycle you chose.
Build a platform.
Show that the life cycle is a repeating pattern.

07

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Program your platform to spin.

08

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Use your model to explain:
The plant or animal you chose.
What life cycle stages you showed.
Changes during the life cycle.

09

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Keep building your models and programs.
For example, you can add sounds for each life stage.

10

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Compare your model to the ones your classmates made: what pattern does each life cycle show?

11

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Compare your model to the ones your classmates made: how are the life cycles the same and different?

12

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Great job!