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An anemometer is a tool made to measure the speed of wind. With a few simple materials, making an anemometer is an easy arts and crafts project that students can do to help them learn various scientific methods and subjects such as experimentation, recording data, windy velocity, and physics.
Steps
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Punch holes in the cups. Gather four 3 oz. paper or plastic party cups, and use a single hole paper puncher to punch a hole on the side of each cup. The punched hole should be about ½ inch under the rim of the cup.
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Punch holes in the center cup. With the fifth party cup, use the single hole puncher to punch two holes directly across from each other, ½ inch underneath the rim of the cup. The holes should be level and even. Punch two more holes ¼ inch from the rim of the cup, directly across from one another, and in between the two first punched holes.- The final result should appear to have four equally spaced and perpendicular holes near the rim of the center cup.
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Make the bottom hole in the center cup. Use a pushpin to punch a small hole in the bottom of the center cup. [1] X Research source Then use scissors to make the hole slightly bigger, so a pencil can fit through the hole and sit loosely.
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Insert the straw into a cup. Fit a straw through the hole in one of the cups that has one hole punched in it. About ½ inch of the straw should be poking through the inside of the cup. Bend this ½ inch of straw poking into the cup, and tape it to the inside wall of the cup. [2] X Research source
- Do this same procedure with another straw and another cup with one hole punched in it. [3] X Research source Afterward, you should have to cups with two straws coming out from their sides.
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Fit a straw through the center cup. Feed the straw coming from one of the cups through the two holes (directly across from each other) in the center cup. Once the straw comes out the other end of the center cup, feed the straw through another cup with one hole punched in it. [4] X Research source When the straw is inserted into the other cup with one hole punched in it, let ½ inch of the straw go through to the inside of the cup. Fold the ½ inch of straw on the inside of the cup, and tape it down to the cup’s inner wall.
- Repeat this step with the other cup and attached straw. [5] X Research source
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Fit the second straw and cup through the center cup. Feed the straw attached to the other one hole-pinched cup through the other two holes in the center cup. When the straw is through the two holes, attach another one hole-punched cup onto the end of the straw. Just like before, allow ½ inch of the straw to penetrate to the inside of the cup. Bend the ½ inch of straw, and tape it to the inside of the cup. [6] X Research source
- Make sure that the two cups on each end of the straws are facing in opposite directions. When all the cups are added to the ends of the straws, all openings of the cups should be facing the same direction. [7] X Research source
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Insert the pencil into the center cup. Push the eraser side of the pencil through the bottom hole in the center cup. Push the pencil upward until it meets to the intersecting straws. Push the pushpin through the two intersecting straws and into the eraser end of the pencil.
- Be sure that you don’t push the pin in as tight as it will go, otherwise the anemometer won’t spin when exposed to wind. [8] X Research source Push the pushpin in just enough so the straws stay connected to each other and the pencil eraser.
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References
- ↑ https://ingeniumcanada.org/scitech/education/try-this-out/make-an-anemometer
- ↑ https://ingeniumcanada.org/scitech/education/try-this-out/make-an-anemometer
- ↑ http://www.weatherwizkids.com/experiments-anemometer.htm
- ↑ https://ingeniumcanada.org/scitech/education/try-this-out/make-an-anemometer
- ↑ http://www.weatherwizkids.com/experiments-anemometer.htm
- ↑ https://www.education.com/science-fair/article/make-anemometer/
- ↑ http://www.weatherwizkids.com/experiments-anemometer.htm
- ↑ https://www.youtube.com/watch?v=BTQFgnnkVUc
Community Q&A
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QuestionWhat do I need to make the anemometer?Community Answer5 plastic cups, 2 straws, a nail, a hole punch, and a stapler.
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QuestionWhat is the difference between a weather vane and an anemometer?Community AnswerA weather vane shows the direction of the wind while anemometer shows the speed of the wind.
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QuestionHow do I measure the wind speed? Isn't that the whole point of the project?Community AnswerTo measure the wind speed, count the number of spins the anemometer makes in one second with the help of a stopwatch. Every spin it makes is one mile per hour (mph).
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Tips
- Use straws that would hold.Thanks
- After you make your first hole punch in the center cup, stick the pencil through the hole to mark where you want to punch the opposing hole.Thanks
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Things You'll Need
- Five paper or plastic 3oz. cups
- Pencil
- Tape
- Single hole punch
- Two straws
About This Article
Article Summary
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To make an anemometer, start by punching a hole under the rim of 4 plastic cups. Then, punch 4 holes that are equal in distance from each other in a fifth cup, and make a small hole in the bottom of the cup. Next, push 2 straws into the cup through the holes so that they’re intersecting each other. Then, connect each of the cups with 1 hole to the ends of the straws, and turn the cups so that they’re all facing the same direction. Finally, insert a pencil into the bottom of the center cup, and use a push pin to secure the eraser to the straws. To learn more, like how to adjust your anemometer if it won’t spin in the wind, read on!
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