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Safe Landing

This modified version of the classic egg drop project challenges students to identify different problems, any of which - if properly solved - can achieve the same goal (the cup lands upright with the ping pong ball inside). Students will use the Duncker Diagram introduced in this unit to explore the initial problem (The large impact force experienced during the free-fall landing causes the ball to bounce out of the cup) and a reframed problem, brainstorming solutions for each using the solution development strategies from module 3.

Learning
Outcomes

Problem Identification

Reframing

Design and build a device that ensures the cup is positioned upright with the ball inside after it lands.

Constraints

  • Cup lands upright

  • Ball remains inside cup

  • Must land in a 2 ft diameter circle

  • No lids. Ball must be easy to load and unload

Objective

Brainstorming

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Solution Development

 Materials

$2/each

Materials

1

Quantity

Cost

Ping Pong Ball

$0

Cup

1

$0

Cardboard  (5”x7”)

1

$20

Tape

24"

$1/inch

Printer Paper

4

$5/each

Balloon

4

$20/each

Popsicle Sticks

5

$5/each

Plastic Bag

1

$20

Weights (nuts, washers)

10

$1/each

String

Cotton balls

Rubber bands

10

10

10 ft

$2/each

$1/foot

Sample Student Work

Resources

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Rubric

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Checklist

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Reflection Slides Template

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