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Catapult


Source Institutions

    New York Hall of Science

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Catapult

Build a catapult that transforms the potential energy of a twisted rubber band into kinetic energy. Experiment with design variations so that you can hit a target with a projectile.

Quick Guide


Preparation Time:
5 to 10 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
1 cent - $1 per student

Age Range:
Ages 8 - 18

Resource Types:
Demonstration, Model

Language:
English

Materials List (per student)


  • 1 wire coat hanger
  • 2 or more sturdy (1/4” wide) rubber bands
  • paper plate
  • marker or pen
  • pliers
  • 1 plastic spoon
  • 1 kitchen sponge
  • scissors

Subjects


  • Engineering and Technology
    • Engineering
  • Physical Sciences
    • Motion and Forces
      • Machines
      • Gravity
      • Momentum and Velocity
      • Acceleration
      • Projectile Motion
      • Newton's Laws

Informal Categories


  • Model Building

Audience


To use this activity, learners need to:

  • see
  • touch

Learning styles supported:

  • Involves hands-on or lab activities

Other


This resource is part of:

Access Rights:

  • Free access

By:

Source Collection:

  • TryScience

Rights:

  • All Rights Reserved, TryScience/New York Hall of Science, ©1999

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