Materials List: Wild Wind!
Making Weather Vanes to Find Prevailing Winds

Each group needs:

  • scissors
  • marker and pencil
  • plastic soft drink bottle, smaller than 1-liter size (ask students to bring bottles to class the week before the activity)
  • plastic drinking straw, not the bendable kind
  • aluminum pie tin filled with small rocks, such as small landscaping rock
  • white glue
  • magnetic compass
  • cellophane or masking tape, 3-4-inch strip

Each student needs:

https://www.teachengineering.org/activities/view/cub_earth_lesson04_activity1