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May The Force Be With You!

May The Force Be With You!. Let’s Explore!. Each set of partners will get straws and 1 ping pong ball to share. Your job is to try to blow the ping pong ball toward your partner’s sid e of the table. Your partner’s job is to blow the ping pong ball back to your side. Let’s Discuss!.

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May The Force Be With You!

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  1. May The Force Be With You!

  2. Let’s Explore! • Each set of partners will get straws and 1 ping pong ball to share. • Your job is to try to blow the ping pong ball toward your partner’s side of the table. • Your partner’s job is to blow the ping pong ball back to your side.

  3. Let’s Discuss! What did you notice? Was there ever a time that you and your partner blew with the same amount of force and the ball didn’t move at all? What happened the most? What happened only a little?

  4. Now... • Groups of three will get • a whacker • a golf ball • a ping pong ball • Spend a few minutes exploring with your whacker and your balls. • Try hitting the balls with the whacker pulled back to a 90 degree angle. Compare those hits to hits made with a 45 degree angle. How are those hits the same? How are they different?

  5. Team Up! Get with another team of three. You’ll need two whackers to do the next step of the exploration.

  6. Before We Go On... Let’s refresh our memories! Acceleration is...a change in velocity. This means a change in speed or direction of an object.

  7. Data Collection

  8. Discussion – Same Balls/Different Force When two of the same balls have different amounts of force applied to them, the ball with the most force had the most acceleration leaving the whacker. If the mass is the same AND the force is the same, what do you think would have happened? How would we test this question out?

  9. Discussion – Different Balls/Whacker Pulled Back to 90 Degrees When balls with different masses have the same amount of force applied to them, which has greater acceleration? Newton’s Second Law tells us that objects with greater mass require more force to accelerate. So... the ball with less mass should have had greater acceleration. Is that what happened here?

  10. Discussion – Different Balls/Try to Get Them to Accelerate at the Same Rate Were you able to do it? How? What happened?

  11. What do you wonder now? What other investigations would you like to do with the whackers? Write about them in your science notebooks.

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