do now #21.5 on a separate sheet of paper, use the ladder method and convert the following: 1.256 m...

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DO NOW #21.5On a separate sheet of paper, use the ladder method and convert the following:

1. 256 m = ______ cm

2. 97.25 cm = ______ mm

3. 8.26 kL = ______ mL

4. 8.5743 cm = ______ km

25, 600

972.5

8, 260, 000

.000085743

Paper HelicoptersExperiment!

GET EXCITED!

What makes a helicopter, a helicopter? How does it move?

• Propeller blade, wings• Tail• Engine• Air transportation• Material it is made of

What factors affects the motion of a helicopter?

• Wing length• Mass• Wind• Engine size• Shape

OUR QUESTION:

What factors affect the flight time of a paper helicopter?

What is the independent variable?

FLIGHT TIME

What is the dependent variable?WING LENGTH

PURPOSE:• To see how the wing length affects the flight

time of a paper helicopter.

Making the Helicopter

STEP 1: Cut on the solid linesSTEP 2: Fold on the dotted lines

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