Materials List: Watch It Slide!

Photo of a dial with weight measurements, and a hook to attached to materials to be weighed.
A spring scale.
Copyright © 2005 Malinda Schaefer Zarske, ITL Program, College of Engineering, University of Colorado Boulder

Each group needs:

  • 1-3 objects, such as a block, toy car, etc. (Note: The cart developed in the hands-on activity in Lesson 3 of this unit is ideal as an object for this activity. The number of objects tested depends on the time available.)
  • One wooden board (approximately 40 cm x 20 cm)
  • Text books (4 or 5 for stacking)
  • Pencil
  • Protractor
  • Let it Slide! Worksheet
  • Spring scale (one per team if available, or share a few among the class; available from science supply catalogs, stores or websites)