Middle School

Waves, transmission, reflection, absorption

Explore transmission, absorption, and reflection of waves!  Build a wave machine to investigate how different materials (mediums) react to a wave to create these wave behaviors!


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Learning Objectives

Students will know

  • Transmission
  • Absorption
  • Reflection

Students will understand

  • Different mediums have exhibit different wave behaviors

Students will be able to

  • Build and modify a wave machine to see how waves react to different mediums
Standards Alignment + Connections

Next Generation Science Standards Connections

MS-PS4-2: Develop and use a model to describe that waves are reflected, absorbed, or transmitted through various materials.

How to Run the Experiment

Materials You Will Need

  • Bag of small gummy candies (ex. gummy bears, skittles, mini marshmallows)
  • Toothpicks
  • Masking or scotch tape
  • Plastic bag
  • Two stationary objects (chairs, full cups, soup cans, stack of books, etc)

Additional Resources