PS 19's 4th Grade Rube Goldberg Projects

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Posted by Nicole M. George on May 28, 2015

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Pouring Cereal in a Bowl By Class 4-201 This is our Rube Goldberg contraption it is going to pour cereal in a bowl The marble goes down the tube. After the marble goes down the tube, it pushes into the dominoes which collapse on each other. The dominoes push into the blocks which fall on each other. The blocks push the can which knocks it over. Since the block hits it, the cereal falls into the bowl I hope you enjoyed our Rube Goldberg contraption and that we motivated you to do one too. Remember to have fun doing this Rube Goldberg contraption. It was so much fun and it took a lot of work. We hope you liked our Rube Goldberg contraption!

Rube Golberg Contraption

The main idea of our Rube Goldberg machine is popping a balloon. The way we did that is that by using the domino effect that gave an effect to the blocks which fell on the balloon and the balloon popped. The first step that happened is that a marble is going to drop down a cardboard tube. Then, the next step is that marble makes a domino effect hitting everything. After, that a small block hits a bigger block that has a needle tapped to it. Lastly, the block with the needle falls over hitting the balloon popping it.

The Amazing Confetti Popper by Class 4-201

First off this is what our contraption looks like. It's called The Amazing Confetti Popper! It makes confetti go high into the air. In step one, we pull the popsicle sticks from the hole so the ball goes down the ramp. In step two the ball goes rushing down the ramp to hit the block. In step three the ball goes through its path and hits the wedge In step four the ball hits the wedge, which knocks over the block. In step five the block falls on the seesaw In step six, the best step of all, the confetti goes high into the air! BOOM! We hope you like The Amazing Confetti Popper!

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