the skulls

The Skulls (2000)

 
Concept featured in clip:Velocity and acceleration
Location of clip: DVD: Chapter 1

 

Play Flickclip Here

Summary of clip: A crew team is in the middle of a race when one of the boy's paddles breaks. The boy is told to jump out of the boat because he is dead weight.

Connection of flickclip to the concept: The paddler was told to jump out of the boat. Without his paddle, he provides no help in making the boat go faster. He only adds excess mass to the boat, which causes the boat to slow down. When he jumps out, the boat is able to move faster because there is less mass for the rowers to pull.
Suggestions to teachers:
1. Suggested questions for students when viewing the clip:

a. Why was the boy asked to jump off the boat? What are the benefits to the rest of the team if he is off the boat?

b. What factors help move a boat quickly? What slows down a boat?

c. What are the consequences to the boat speed when a paddle breaks?

d. Why does the boat accelerate when the paddle breaks and when the boy jumps out of the boat?

2. You can stop the clip right after the boy jumps out of the boat and have the class vote on whether the captain made the right decision. Then you can finish watching the clip.

3. To evaluate students understanding of velocity and acceleration you could show this clip and have the students describe how velocity and acceleration change throughout this scene.