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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 explores how yogurt is made

Bacteria Culture Club

Make yogurt from yogurt.

Homemade Switches

Science activity that demonstrates photosynthesis

Photosynthetic Floatation

Show that gas is produced during photosynthesis.

Science activity that demonstrates light polarization

Polarized Sunglasses

Polarizing sunglasses cut road glare better in some positions than in others.

Art & Science Activity to explore reflection and light.

Pixel Tube

Art and science meet in a tube of mirrors.

Peripheral Vision

Discover the outer limits of your eyes.

Science activity that demonstrates the dominant eye phenomena

Circles or Ovals?

Your brain combines information from your eyes in surprising ways.

Science activity to play music by wrapping a string around your head

Head Harp

Wrap a string around your head and pluck to play music.

Science activity to simulate natural selection among predators and prey

Bean-Counter Evolution

Discover the meaning of evolutionary fitness in this predator/prey simulation.

Visitors tinkering with rollers on a ramp

An Open Kit for Tinkering with Rollers

solid color icons of animals, a book and flowers on white background

Afterimages

Investigate how to predict the color of an afterimage.

Science activity that explores the carbon cycle

Follow the Carbon

Model the carbon cycle and its principal reservoirs and flow rates using rice.