Sunday, February 7, 2010

Lesson 18 Science Vocabulary

Spinning Wing – Torque

1. Forces can make objects move.

2. The upward force demonstrated in this activity is called lift.

3. The direction of a force can easily be changed.

4. One thing that helped the Spinning Wing fly was the shape of the wing.

5. Torque is a twisting force.

6. In this activity, the Spinning Wing flew because lift was greater than gravity.

7. As the Spinning Wing flew, air pressure was greater on the wing’s bottom than on its top.

8. A dropping ball is NOT a form of torque.

9. The force provided by our hands changed the direction of force.

10. The Spinning Wing is most similar to a helicopter.

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