Weather Instruments - How To Build An Anemometer (Easy)

How To Build An Anemometer (Easy)


Materials
-Tape
-Straws
-Straight Pin
-Cups or Ping Pong Balls cutted in half
-Pencil


Procedure
1. Cross the straws so they look like an "X".
2. Tape up in the middle of the straws together.
3. Tape the cups/ping pong balls cutted in half on the ends of each straw.
4. Put the straight pin in the middle of the straws.
5. Attach the eraser on the pencil to the pin.
6. All Done! If you want to make a scale, you will need wires, battery cell and battery that is connected to the anemometer.