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

1. DO NOW #21.5On a separate sheet of paper, use the ladder method and convert the following: • 256 m = ______ cm • 97.25 cm = ______ mm • 8.26 kL = ______ mL • 8.5743 cm = ______ km 25, 600 972.5 8, 260, 000 .000085743

3. Paper HelicoptersExperiment!

4. GET EXCITED!

5. What makes a helicopter, a helicopter? How does it move? • Propeller blade, wings • Tail • Engine • Air transportation • Material it is made of

6. What factors affects the motion of a helicopter? • Wing length • Mass • Wind • Engine size • Shape

7. OUR QUESTION: What factors affect the flight time of a paper helicopter?

8. What is the independent variable? WING LENGTH What is the dependent variable? FLIGHT TIME

9. PURPOSE: • To see how the wing length affects the flight time of a paper helicopter.

10. Making the Helicopter STEP 1: Cut on the solid lines STEP 2: Fold on the dotted lines

11. Making the Helicopter