For Educators

Tagged with: light

Coffee Filter Rainbows
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The rainbows that we see in the sky are caused by a reflection of the sun’s rays in drops of rain. There are also other ways to view a rainbow with the help of water and a few other supplies. You can even make a type of rainbow in the comfort of your own home.

Two Lenses in One
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Refraction is the bending of light rays. Utilizing clear plastic vials or tubes with lids can help students explain why it appears that straight object bend when placed half in water.

Top Classroom Activities

  • Buoyant Bubble

    A sphere is a very special shape in nature. Liquids form into spheres due to internal forces. Investigate density and shape.
    Buoyant Bubble
  • Cabbage Patch Chemistry

    An indicator is a substance that can be used to determine pH of a substance. Make your own indicator using red cabbage leaves and test household items.
    Cabbage Patch Chemistry
  • What's the Buzz?

    Can a rubber band sound like a bee? How does changing the speed of a vibrating object affect the sound of the vibration?
    What's the Buzz?
  • Hover Cup

    Can you make a hovercraft from a paper cup? Explore how air flow can minimize friction and cause an object to move.
    Hover Cup
  • Catapult

    Catapults are great for demonstrating transfer of energy. Tension in the catapult will cause an object to travel very far.
    Catapult
  • Sidewalk Chalk

    Chalk is used in many applications and industries... more familiarly in the classroom. Make your own chalk and learn the science behind this incredible product.
    Sidewalk Chalk
  • Rock Candy

    Create a crystal pattern around a string that is also a tasty treat!

    Rock Candy