Science and Engineering Blogpost #1

Define and Inquire

This engineering task is where we make a product that transfers, converts energy, a device to learn physics, or take a renewable energy source and convert it to electrical energy. Currently, I’m thinking about several different ideas of toys that could convert energy; like a wind-up train, or the toy cars that you pull back to build up tension in the springs.

                                                 Related image                                       

There are a few cons in this idea, as it is already created and I would need to make changes if I wanted to. I could make a robot that moves its arms to perform a task. I could also make it out of recycled stuff too/trash. Instead of having as a wind-up toy, it could be run by a rubber band, or could more with enough force of the wind. https://www.scientificamerican.com/article/build-a-rubber-band-powered-car/

Build a Rubber Band–Powered Car

  1. https://www.youtube.com/watch?v=YSqj1c8fBns
  2. https://www.youtube.com/watch?v=9xhEXDrMMLg

Another idea is a hot air balloon, for physics that shows convection. There would be a small candle, on the bottom plate (hot glued). there would be strings/something to connect the hot air balloon with the cloth that would bring it up. The hard part about this would be finding the cloth, and finding a way so it doesn’t catch fire, but also works. Finding a material that is light enough to do the work, a good design, and time management will be problems. There are a few other problems with using a hot air balloon, so I don’t think I’ll do this one.

I could also make a wind turbine and make it into electrical energy. This would be by having large pieces of something that would be able to collect wind and have it connected to an engine, the engine would be connected to a light bulb to show the electrical energy. An example of what it looks like is in this video: https://www.youtube.com/watch?v=4mcTe7J9gx0.

“A wind turbine captures the wind to produce energy. The wind makes the rotor spin; as the rotor spins, the movement of the blades drives a generator that creates energy. The motion of the wind turbine turning is called kinetic energy, this power is converted into electricity.”

https://www.energymatters.com.au/components/wind-energy/

 

I think that though, with the wind turbine, I couldn’t really test it much in class- I’m not sure if there is a fan. But also I’m not sure if anyone else would do this same idea too. But, there are a lot of pros with this it would very much meet the standards, and I could possibly look at real wind turbines to see how I could modify them to a smaller scale. But this would also be a con because I wouldn’t really know much of these things and I would be going into a completely new area of knowledge.

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