Day: March 27, 2018

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Communication ECA Phase III Class 3: Wind Turbine 20180321

The theme of today is the wind turbine. The wind turbine model transferred the wind energy generated by a fan to electrical energy stored in the power meter. The experiment is a very good mimic to the real wind turbines used in real world. The students finished the model building part smoothly, and then they all conducted and finished the experiment. During which I explained the STEM information, which is the power equals to voltage multiplies current.

Most of the student cannot perform decimal multiplications, thus the experiments were simplified to observe and record joules instead of watt calculations. One extra part to use the generated electoral power was also added to the class, which deepened their understandings of the Power Meter usage. All students finished the experiments and filled the lab sheets. They love the challenging project.

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Communication ECA Phase II Class 3: The Windmill 20180321

The topic of today is the windmill. The students built a windmill to learn the energy conversions between wild energy and rotational energy by the blade mechanism. Windmills were used to mill grain, pump water in the history, but the majority of modern windmills take the form of wind turbines used to generate electricity, or wind pumps used to pump water. In the class, we used a weight as water to mimic the pumping water process. The STEM information behind this section is the energy transformation as well as force and motion concepts.

All students finished the model and conducted tests with a different level, they enjoyed the class. The ability level of the students vary, thus it needs to arrange them wisely to make sure all of them can at least finish the model building part.

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PBP Phase 1: Class 2: Power Hammer

Today we built the Power Hammer and learned about force and friction.  The students seemed to have enjoyed the activity with some making incredible modifications in order to give more impact force for their hammers. To all parents please make sure that all the students arrive on time and clean up thoroughly after.

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Communication ECA Phase I Class 3: The Hammer

The kids were able to do really well in the last class and also enjoyed their time. Even though some of the children did notice that this project was a little more challenging than the ones they had worked on in the previous classes, they were able to keep up their pace and finish their projects. The concepts this class focused on were force, weight, and friction. The kids got to grasp these material and practice them with their in-class assignments. Next week there won’t be any classes as the kids will want to enjoy their spring break. I look forward to seeing everyone again on April 4.

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