Guide

The Chain Reaction Challenge Rules: Parking the Car
Challenge Goal & Overview: The goal is to
build a Chain Reaction Device that successfully
parks the car in the garage. Your teacher will
provide you with (or ask you to build) the car
and garage models to be used in this challenge.
In most cases you will be asked to work
together in teams, but you may be asked to
work alone.
Challenge Rules for Unpowered Chain Reaction Device (grades 4-6):
1. Build a four-stage Chain Reaction Device that parks the car in the garage.
2. Your Chain Reaction Device will be unpowered - no Smart Motors, Robot Brain, or Controller.
3. Use three or more of the following to construct your stages: Wheel & Axle, Inclined Plane,
Wedge, Lever, Pulley, Screw, or Pendulum. You may use a type of simple machine or pendulum
more than once if you wish.
4. Please see the Rubric to Evaluate Unpowered Chain Reaction Device for all of the details on how
you will be evaluated.
5. Idea Book Pages can be used for planning and troubleshooting. Your teacher will provide further
instructions on using the Idea Book Pages.
Challenge Rules for Powered Chain Reaction Device (grades 4-8):
1. Build a four-stage Chain Reaction Device that parks the car in the garage.
2. Your Chain Reaction Device will be powered using three or more Smart Motors, a Robot Brain,
and a Controller. You will be expected to teleoperate your device with the Controller.
3. Use three or more of the following to construct your stages: Wheel & Axle, Inclined Plane,
Wedge, Lever, Pulley, Screw, or Pendulum. You may use a type of simple machine or pendulum
more than once if you wish.
4. NO sensors will be used and NO programming is required for this challenge.
5. Please see the Rubric to Evaluate Powered Chain Reaction Device for all of the details on how
you will be evaluated.
6. Idea Book Pages can be used for planning and troubleshooting. Your teacher will provide further
instructions on using the Idea Book Pages.
E.4