GT Physics Project

5th six weeks

Rube Goldberg Machine

•An unnecessarily complicated machine built to do a very simple task

What the machine must do (choose ONE end task)

• Ring a bell• Drop a marble into

a cup• Lift something• Choose your own

(YOU can share with the teacher BEFORE you begin to plan)

What your machine must include

• Four of the six simple machines• Inclined plane• Lever • Pulley •Wheel and axle•Wedge• Screw

Steps to follow

1. Think of a design 2. Draw the plan3. Write an

explanation of the plan

4. You can share your plan with your teacher

After your plan is approved

• Build and test your machine• This will take a lot of time to get it right. EXPECT to have to make adjustments to your prototypes until you work out all the problems. DO NOT GIVE UP!

Grading

• Drawn plan (25 pts.)• neat• approximately to scale• labeled

• Written explanation (25 pts.)• complete sentences with

correct grammar, spelling, and punctuation• in order of events from

beginning to end• Simple machine vocabulary

included and used correctly

• Verbal explanation (25 pts.)• clearly explained• spoken clearly and loud

enough to be heard from the back of the room• appropriate tone and

gestures• eye contact with audience,

NOT READING

• Successful demonstration (25 pts.)• the machine performs as it

should

Also…

• You may work alone or in groups

• No more than three people in a group.

• Everyone in the group will receive the exact same grade.

Due dates

• The plan should be completed by Thursday, February 28, 2013

• The machine is due by Thursday, March 21, 2013