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LeverClass Kits

This specially designed, modular kit allows students to explore all three lever classes through hands-on lever experiments.
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This interactive acrylic tabletop lever offers an engaging way for students to experiment with physics concepts and deepen their understanding of mechanical advantage. The adjustable fulcrum, easily changed using the dowel and holes, gives students the flexibility to manipulate the lever for different scenarios.

Students can also adjust the weight position and box with a slotted top and bottom, making it simple to explore how changes affect the lever’s function. The included spring scales help measure the mechanical advantage of levers, allowing students to observe how fulcrum placement influences force. Using the brass hanging weights or everyday classroom materials, students can fill the acrylic box and measure the force needed to move the lever with various weights. 22"L x 6"W x 9-3/16"H. Accommodates 4 students. Recommended for Elementary and up.

Kit includes:

  • Acrylic Lever, 1 Ea
  • 5G Hanging Brass Weight, 1 Ea
  • 10G Hanging Brass Weight, 1 Ea
  • 50G Hanging Brass Weight, 1 Ea
  • 200G Hanging Brass Weight, 1 Ea
  • 500G Hanging Brass Weight, 1 Ea
  • Spring Scales, 6 Ea

Set of 4 includes:

  • Acrylic Lever, 4 Ea
  • 5G Hanging Brass Weight, 4 Ea
  • 10G Hanging Brass Weight, 4 Ea
  • 50G Hanging Brass Weight, 4 Ea
  • 200G Hanging Brass Weight, 4 Ea
  • 500G Hanging Brass Weight, 4 Ea
  • Spring Scales, 6 Ea

Click here to view a sample of the included lesson directions.

Next Generation Science Standards*:

  • 3-PS2-1: Plan and conduct an investigation to provide evidence of the effects of balanced and unbalanced forces on the motion of an object.
  • 3-5-ETS1-2: Generate and compare multiple possible solutions to a problem based on how well each is likely to meet the criteria and constraints of the problem.
  • MS-PS2-2: Plan an investigation to provide evidence that the change in an object’s motion depends on the sum of the forces on the object and the mass of the object. 
  • MS-ETS1-4: Develop a model to generate data for iterative testing and modification of a proposed object, tool, or process such that an optimal design can be achieved. 

*The Next Generation Science Standards are a registered trademark of WestEd. Neither WestEd nor the lead states and partners that developed the Next Generation Science Standards were involved in the production of this product, and do not endorse it.