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Elementary Physical Science
Simple Machines: Levers & Pulleys
KNX78610
Price: $33.99
Grades 3-8

Build 8 different replicas of real-world models, one at a time with K'NEX Levers and Pulleys. This elementary physical science kit includes building instructions with real-life photos and key facts for each model. Models demonstrate 1st, 2nd and 3rd class levers along with fixed, movable and combination pulley systems. 178 K’NEX Rods and Connectors support 2-3 students working as a team. Simple Machines Levers and Pulleys comes packaged in a strong plastic storage case with dividers and lockable lid.

Includes teacher guide on CD!

Key Concepts
  • W=Fd (work equals force times distance)
  • Makes work easier
  • Effort Arm
  • Resistance Arm
  • Fulcrum
  • Wheel & Axle
  • Slope
  • Lever Classes
  • Block & Tackle
  • Friction
  • Gear Ratio
  • Force
  • Fixed/Moveable & Combination Pulley
  • Resistance
  • Mechanical Advantage
  • Work
  • Load
  • Gear Configurations
  • Inclined Plane/ Wedge/Sc

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