![]() ![]() Hold the pencil and make sure the cups can spin around the pencil.Do this same procedure with the other cups – all openings of the cups should be facing the same direction. Bend this ½ in of straw into the cup, face the opening of the cup perpendicular to the opening of the center cup and tape it to the inside wall of the cup. Now you will connect the other cups! 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.Push the pin through the straws and into the eraser of the pencil.Make sure the pencil can fit through the hole and sit loosely. Use a pencil to punch a small hole in the bottom of the center cup (the cup with 4 holes). ![]() Feed the straws through the center cup’s holes so the straws form a big ‘X’ through the center of the cup.Test it and then learn about the importance of wind speed when flying an airplane. The punched hole should be about ½ inch under the rim of the cup. Build an Anemometer Product Type: Hands-on Activities Read About It Audience: Students Grade Levels: K-4 5-8 Subjects: Flight and Aeronautics Measure wind speed with a homemade anemometer. On the other four cups, punch one hole on the side of each cup.This will be the center cup of the anemometer. Punch two more holes ¼ from the rim of the cup, directly across from one another, and halfway between the two first punched holes. On one cup, use the single hole paper punch to punch two holes directly across from each other, ½ inch underneath the rim of the cup.Single hole paper punch (a hole could be made with a pen if you don’t have a hole punch).We can’t know how fast the air is moving and what direction it’s coming from without a tool to measure it. The tool that is used to measure wind speed and direction is called an anemometer. Want to see how one works up close? Let’s make one and see how it works! Hands-On Exploration In order for meteorologists to predict the weather, they have to know how fast the air is moving. Wind speed and direction help us predict the weather which is called forecasting and is a part of meteorology. There are many different types of anemometers suited for different environments, situations and. Measuring wind speed is a part of weather and the study of weather falls under atmospheric science. An anemometer is a device that is used to measure wind speed. Wind speed tells us a lot about what kind of weather is coming our way because wind speed describes how fast the air is moving past a certain point. Not only do we need to know how fast air is moving in order to predict the weather, we also need to know where the wind is coming from. Is it coming from the West? Is it coming from the North? Wind speed and direction are important for monitoring and predicting weather patterns and global climate. Wind speed and direction also have many effects on surface water, which also affects our weather. ![]()
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