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Hey guys! Last week we built a flywheel racer. This machine uses a sequence of gears to between the top and bottom wheels. This sequence allows the momentum of the top wheels to push the bottom wheels. We tested this with big small and medium size wheels. Bigger the wheels the more momentum!!
See you all soon for more fun!
Today’s class, we made car fly. After last week, students have better understanding of group works and they successfully finished their project. It has four gears but each two of them are separated. When the gears connect, the car is lifted and it starts to build up momentum. When the gears disconnect, car flies away due to those momentum. Other than our project, we had a pre-halloween Q&A contest about Superheros from DC universe and Marvel universe. They all got their KitKat as reward.
Last week we build a Fly wheeler. This build had a complex set of gears right at the heart of the set, these took great precision by the whole class to build accurately. The flywheeler used these gears to connect the bottom drag wheels to a set of top wheels. By rolling the car you can speed up the rotation of the top wheels so that when you release the car the top wheels have enough momentum to continuously rotate the main bottom wheels pushing the car forward. The class enjoyed playing with this build afterwards and experimenting with the different sizes of wheels to get the greatest output of distance. Next class we’ll be building a car again but with a few motor upgrades!!!
It was a little bit of low energy to day. The classroom is too quiet. They probably think building a car with only gears is simple, But when I give them to try to fit a motor on the gear by themselves and told them that they can have some sort of reward if they can complete my task. Suddenly they are all energetic and even the kids haven’t finished yet is moving faster. I will teach students more about how to follow the booklet on next week since that’s the main reason a lot of them can’t finish in time for experiments. Wish next class will have more excitement for them.
Today we built the Flywheeler and learned a little bit about inertia. The kids were confused about the model since the goal of the models wasn’t about speed but about energy storage and distance. The topic for next week is the Dragster and please ask the students to clean up a bit better.
Today in class we built flywheel cars. A fly wheel is a device that stores rotational energy. The motions of the flywheels continue because of inertia. This allowed the car to move forward, even after the wheels have stopped! This was very enjoyable for the kids because they had an opportunity to race against each other. See you next week!
Today we built a flywheel powered car that the students raced for distance. Most of the students did not have a problem building the model however some got confused between different models in the booklet. The kids very much enjoyed this model, with some modifying it extensively. Please help the kids organize the kits and disassemble all the parts
I am more and more happy to see the children developing their enthusiasm and skill in the class every week. At this week’s class once again everyone was able to finish their work and took the time to play around with their project at the end of the class. Also, almost no one had any difficulty understanding and doing their in-class assignments. The Fly Wheeler was a small piece that gave the kids some practice on concepts such as velocity, momentum, and inertia. Aside from making the class more fun, having a hands-on approach is also more educational since it allows them to directly experiment with what they are learning. Overall, I am very satisfied with the conduct of the class and look forward to seeing everyone next week.
This class went much better than the previous classes in the sense that more children were able to finish their projects and assignments in time, which gave them a bit of free-play time at the end of the class. As usual, this class allowed them to practice scientific concepts related to mechanics and supplied them with an in-class assignment to make sure they have grasped the material. Concepts such as preservation of energy and inertia were practiced, and the assignment asked them to predict the position of their vehicle after it had been launched. I was very happy with their performance, and even happier to see that their work is improving each week.
The kids worked on the Skywheels, a car that works based on the concept of inertia. After giving the car a little energy, it will carry itself forward depending on its weight. So the kids learned new scientific concepts in class through direct experimentation. After finishing the project, they enjoyed their time playing with the car they made, and trying new things with different lego pieces. In the next class they will work on another interesting project, called the Dragster.
