Materials
Materials
- Aluminum pie plate, 9 inches; available at all grocery stores
- Scissors
- Permanent marker
- Ruler
- Drill with 3/8-inch drill bit or other bit size slightly larger than the dowel width; available at hardware stores
- Optional (if you don't use a drill): hammer and 5/16-inch width nail; available at hardware stores
- Nylon spacer, 3/8-inch inner diameter and 3/8 inch thick. The spacer must fit in the center of the waterwheel. These are available at hardware stores. See Figure 7, below, to see what a nylon spacer looks like.
- Epoxy glue; available at hardware stores
- Scotch® tape
- Wood dowel, 5/16 inch wide and 2 feet long; available at craft stores
- Plastic bucket with removable handle, 14 quarts
- Cotton string, 30-inch-long piece
- Metal nut or other small metal object that string can be tied to
- Measuring cup, 2-cup is best
- Stopwatch
- Lab notebook