LEGO 5981 LuuMa EV3 Manuel de l'utilisateur - Page 2

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LEGO 5981 LuuMa EV3 Manuel de l'utilisateur

4. Hungry Alligator Teacher Notes

Connect

Review the Connect animation and discuss:

What was the alligator doing when Mia and Max saw it?

What happened as they stood near the alligator?

Do alligators really eat caps?

Why does an alligator have a large jaw?

What kind of food does an alligator eat?

Would you pet an alligator? Why or why not?

Here are other ways of connecting:

Pretend you are an alligator. How does an alligator walk? Use your arms to show how the alligator

opens and closes its jaw.

Have you seen a real alligator in person or on television? What did it do?

Is an alligator like a dinosaur? Why or why not?

Alligators lived as far back as some dinosaurs. However, dinosaurs are extinct, alligators are

not. Alligators are reptiles: they lay eggs, have scales on their skin, and are cold-blooded. Cold-

blooded means they must use the sun and means outside their body to stay warm. Dinosaurs

seemed to have had these traits also.

Did you know...

You can use belts and pulleys to slow down the motor speed?

See the model in Getting Started:

9. Decrease Speed.

How much slower is the large pulley than the small pulley?

The large pulley turns only one time for every three times the small pulley turns. The large pulley

is three times slower than the small pulley