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The worst part was when we had a hard time with the sinker falling and scissors cutting the fishing line, but we figured it all out. The dominoes was kinda of a frustrating setup, but it was alright. I had fun with the project.

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The best part about our project was building the screw and eating all the oreos that were supposed to go down the incline plane.

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It was hard when we had to get the clothespin to hold the string just right. Other than that I liked it pretty much.

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It was cool to see the project work(rube Goldberg machine)

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I thought it was a fun and a great learning experience.

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I liked it, it was fun. The best part was what it did, and the hard part was making everything work together. This is a turtle

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When it worked and the most challenging was just coming in and not knowing what to do. I came in late to what Julia and Cade had made, and I redesigned it to make it work. They commented that it wouldn't have gotten it done without me. The best part was obviously when it worked, and the most challenging was just coming in and not knowing what to do.

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I liked it. Is was fun. It was hard to get the balls in the funnel and hit the paper clip and the wood block was to heavy.......... but we figured out how to do it tho

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It was very difficult and the most challenging part had to be the pulley. The best part was when it actually when it worked. It was pretty fun.

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I think the Rube Goldberg was kind of challenging and I liked it. Our project was I think the hardest one because the car had to free fall and hit the balloon just right to pop it. and the only reason it didn't work is because the car with the paperclip on it flipped to many times and the paperclip didn't go into the balloon just right

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The best part of this experiment is that i got to do it with my boo Abby <3 :) The most challenging part of this experiment was getting enough momentum for the golf ball to go through the vacuum tube. This was difficult because the tube was so long. We went through 7 or 8 eggs. This experiment was messy and fun.

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Dominos are the worst thing in the world lets just say that to start. It took forever to set up the dominos and to get them to fall right they would always fal lover halfway through setting them up.Also we took one whole day trying to figure out how to make the sissors close to drop the rubber duck into the sink. Our project worked on the second try and it was really fun to make. It took alot of work but in the end Phil (our rubber duck) took a nice swim.

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I liked building my machine. Sometimes it got a little frustrating if I disagreed with my partner but then we worked it out and used both of our ideas. It took a lot of thinking and we had to sit down and try and imagine in our minds how it was going to look and how each part was going to be triggered.

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I thought the Rube Goldberg was kind of challenging because we had many struggles while we were building this. It was fun to watch in action once we finished it though.

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I thought that the Rube Goldberg machine was difficult and a bit of a struggle to build. Another thing was difficult was trying to get some things exact so that it would run right and this took a while. The most fun part of the challenge was getting to watch it when it was all built and that I could do it with my friends.

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The best part of the rube goldberg was getting to watch it go all together and complete the tasks it was meant to do. The most challenging part of the machine was trying to get the exact spot and amount of times where we needed to put something or wrap something around a pole.

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It was fun to make the different parts of the machine. It was hard to get everything to run without no mistakes.

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The best parts about building the machine was the parts that were used. The challenging parts were building and presenting the machine.

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I hate dominoes now. They take forever to set up. This was pretty fun though. For something it takes so long to set up it takes a short time to complete. There is so many different things you can do.

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The best part was thinking we were going to start out with one thing and doing something different. We were going to start with a marble rolling hitting something and hitting the milk but we found things to make it easier. We set up everything and found out another way to set it and used more things than the marble. The challenge was to put the ramp at a certain place to let the roller skate go fast or slow enough so we didn't knock down the cereal because we knocked it down at least 8 times

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The project was really hard because it took a while for it to work and I had to change many things because it did not work. Since it took a while I had to skip different things that I would have usually done. The best part of my project was when it worked. In the beginning I wasn't sure if the machine would work because it seem to be a little off.  When I started it didn't work so I changed things and after the adjustments it worked better. The dominos were also hard to put back up.

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The best part of this assignment was that I got to do it with Kyra. Another best part was that getting the materials was fun. The most challenging part of building this machine was figuring out how to put it all together and find out where everything goes. But the most challenging part was figuring out what the end part was gonna be.

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The best part of completing this project to me was making the smiley face balloon fly up at the end. One of the most challenging parts of building this machine to me was making the scissors stay in position so it would cut the balloon string when the top handle was pushed down

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The hardest part was trying to find all six simple machines and making sure everything worked properly, the best part was how much fun everyone had.

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The best part of building a Rube Goldberg Machine was the laughs. We had to try so many times to get it perfect each time was even better than the last. One time we even knocked the bowl of cereal over with the milk, in fact that happened maybe 4 times. Another good part was whenever we finally got it to work and I screamed. The most challenging part of building a Rube Goldberg was getting the entire project to work. One time the roller skate bounced on the fan and just about hit Sarah.

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The best of this is when it actually worked at the end and did everything I wanted it to, the hardest part is trying to find out how to make all the machines do one thing. It was also pretty cool.

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The most challenging part of this project was probably getting the cookie to fall into the milk. The best and most fun part was making the screw and having the cookie fall into the milk.