Light Waves: Dash's Light Obstacle Course (Gr. K-1)


In this lesson, students will program Dash through a course. As Dash moves through the course, students will experiment to see what a variety of materials look like when a beam of light is shone through them.


  • Experiment with light and record how light behaves when shone through a variety of materials
  • Understand that we can see in the dark because it is lit by the light
  • Design a program that navigates Dash through a course using Drive Forward and Turn blocks

Lesson Procedure

  • Class 1: Planning and Programming (30 minutes)
  • Class 2-3: Observing and Recording (30 minutes)


Robots and Accessories

Other Supplies

  • Thick sponges
  • Scissors
  • Small pieces of cardboard
  • Tape
  • Wax paper
  • Plastic wrap
  • Aluminum foil
  • Handheld mirror
  • Ruler or measuring tape
  • Pencils (for writing and to create stands)
  • [Optional] access to Twitter and Instagram
  • Tablets - See Tablet Compatibility

Find Out More