|Name of Activity||Maze Competition|
|Keywords||NXT, car, touch sensor, maze, switch blocks, decision statement|
|Grade Level||4, 5, 6|
|Time||1 Hour Total|
|Brief Description||Students will construct an NXT car and program the car to be controlled by two touch sensors. Students will drive their car through a maze.|
|Lesson Objectives:||– To learn to program with touch sensors and use decision statements “Switch Blocks”.|
|Materials Needed:||NXT car or materials to build an NXT car
Two touch sensors and long wires per car
Assortment of extra LEGO pieces
Planning Sheet and Final Design Sheet (attached or make your own)
Computer running MINDSTORMS NXT-G Software
|Preparation and Set Up:||Construct one or more maze(s) for students to use for their NXT cars.
Arrange student into groups of two.
Distribute necessary materials.
– Switch block.
– Decision statement.
|Extensions or Modifications:||– Create a maze that has a different challenge that will require further design
changes in the car or program (ramp, narrow section, line that students must
– Use light sensors to navigate a maze (similar to line following activity).
– Use the proximity sensor to navigate through a maze made out of cardboard boxes.