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MHI Employees Teach a Science Class to Elementary School Students in Ibigawa Town, Gifu Prefecture

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To begin, the students were given a brief introduction to MHI Group. Next, under the instruction of a representative from the NPO Kodomo Uchu Mirai Association (KU-MA), they crafted two different types of rockets using everyday materials.

First, the children made rockets using the long plastic bags commonly used in Japan to hold wet umbrellas when not in use. The bags were inflated with air, and the children performed various flight tests, each time adjusting the position of the rocket's tail, the weights attached to it, and so on. In this way they learned the principles that enable a rocket to fly stably through the air. In the second half of the class, the children then made rockets using small plastic film cases. In this instance, they experimented with launching a rocket by means of the thrust generated when a foaming bath agent is mixed with water, producing carbon dioxide gas. Here, the children learned the principle of how a rocket flies in reaction to the release of a powerful jet of gas.

Crafting rockets from plastic umbrella covers
Crafting rockets from plastic umbrella covers

At the final part of the class, the students were given an explanation, using video and photographs, of the tasks being performed by the Hayabusa2 spacecraft which recently landed on the Ryugu asteroid. The children listened with great excitement.

Going forward, MHI Group will continue to convey the fun of science (and science classes!) to children through monozukuri—the traditional Japanese concept of craftsmanship—as our way of developing the next generation and contributing to our local communities.

Related news:

Making rockets from film cases
Making rockets from film cases
Preparing for film case rocket launching
Preparing for film case rocket launching
Launching the umbrella cover rockets
Launching the umbrella cover rockets