Rube Goldberg Project: “Pop It!”

Picture:

Video:
https://youtu.be/df7wPkZd5Pc

Steps:

Step A – The RC car goes forward and pushes the bottle

Step B – The bottle rolls and lands on the seesaw then moves the domino

Step C – The domino on the seesaw pushes the other dominos making them fall

Step D – The domino pushes the ball into the inclined plane

Step E – The rolling ball drops into the inclined plane and rolls down

Step F – The ball drops down onto the wheel

Step G – The ball slides down the wheel and pushes the train with the needle

Step H – The train goes down the train tracks to the balloon

Step I – The needle on the train pops the balloon

Simple Machines:

Lever – The seesaw

Inclined Plane – The swirly toy

Wheel and Axle – The hamster exercise wheel

Energy Types:

Mechanical – Falling dominos, rolling ball, etc.

Gravitational – Ball dropping, ball rolling down, etc.

Chemical – Battery in the RC car, wooden popsicle sticks, etc.

Elastic – Rubber band securing the needle to the train

Sound – Balloon popping

Energy Transformations:

Chemical to Mechanical – The RC car pushing the bottle making it roll onto the seesaw

Mechanical to Gravitational – The dominos making the ball roll then drop into the inclined plane

Mechanical to Sound – The moving train with needle popping the balloon making a sound

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