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Science Activities

Hungry for fresh, exciting science activities based in amazing phenomena? Science Snacks are hands-on, teacher-tested, and use cheap, available materials.

Science activity that demonstrates a color illusion

Benham's Disk

A rotating black-and-white disk produces the illusion of color.

Science activity that explores DNA sequences, or the genetic code

Secret Codon

Write a message in DNA.

Listening to Process Sound

Find out how a cochlear implant helped one man regain the ability to listen.

Science activity that demonstrates Einstein's photoelectric effect

Photoelectricity

Get electricity from light.

Science activity that uses electricity to break water into its elemental components

Having a Gas with Water

Use electricity to break water into its elemental components.

The Cold Water Candy Test

Science activity that uses a coil of wire, a paper cup and a magnet to create a radio speaker

Cup Speaker

Make a speaker that turns changing electric current into sound.

Memory Games

Here are some activities that test your memory – and some things you can try to help you remember things better.

Science activity that demonstrates sound conduction

Sound Bite

Tune in to tunes with your teeth.

Bernie Lubell

Meet a kinetic sculptor.

Science activity that models the energy released in an earthquake

Pasta Quake

The energy released in earthquakes ranges over many orders of magnitude.

Science activity that demonstrates properties of convex mirrors

Spherical Reflections

Discover art and science in a myriad of spherical reflections.