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The Moon Lander Challenge

Eigo Gachizei   This team’s basic moon lander module is triangle, and it is increased aerodynamic drag by attaching three cards to each side of the triangle. I explain how to make this moon lander. First, we wrap an index card around the paper cup to serve as a weight. This process is also meant to flatten it.     Second, we prepare four pieces of cardboard cut into triangle, and we attach the cardboard along the sides of the paper cup. We make several slits in the cardboard and wrap rubber bands around them to secure it in place. Third, we attach straws vertically to each of the cardboard. Finally, we attach a marshmallow to the end of each straw. The purpose of this is to absorb the shock of the straw when it touches the ground   This team has three difficult points in this challenge. First, reducing the aerodynamic drag as much as possible. Because, they need to drop the lander straight down. Therefore, they made the shape of their lander vertically.
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Who Lives Where?

           First, all of the hints were categorized. At this time, we newly learned that the first resident is a Norwegian and the second house is blue. Also, the green house is to the left of the write house, wh house hich means that the green house is fourth, because a man in the green house drink coffee, not milk. Next, from the hints, we learned that the house in the middle is red and is inhabited by an Brit. Third, from the hint that the owner of the yellow house smokes Dunhill, we learned that the yellow house is in the first and this house owner smokes Dunhill. Fourth, from the hint that the man who keeps horses lives next to the man who smokes Dunhill, the owner in second house keeps horses. Fifth, from two hints that the man who smokes Blends lives next to the one who keeps cats and the man who smokes Blends has a neighbor who drinks water, the owner in the second drinks water. Sixth, from the hint that the person who smokes Pall Mall keeps birds, the owner in th
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Balloon Car Challenge

Balloon Car Challenge Kira Kira Flyers   This team’s balloon is powered by air coming out of a balloon attached to the front of the car. The materials that they use to make this balloon car are four plastic bottle caps, two toothpicks, two balloons, three rubber bands, a thick straw, and two clothespins. I explain how to make this balloon car. First, we make holes in the plastic bottle caps large enough hold a toothpick. Second, we glue the two plastic bottle caps and a two toothpick. Therefore, we make another one of the same. Third, we attach a balloon to a straw using a rubber band and make another one of the same. Finally, we put them on top of the two things made of toothpicks and plastic bottle cap and glue them together. After listening to this presentation, I think there are two problems in this balloon car design. First, it is place balloons in front of the car. The reason I think it is problem is that if there is a in front of the car, it would get in th
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