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Color Taste Test—Do You Taste with Your Eyes?

Active Time
20-30 minutes
Total Project Time
20-30 minutes
Key Concepts
Sensation, perception, taste
Three drinking glasses with red, green, and blue liquid in them.

Introduction

Have you ever tried adding green food coloring to your milk? Or blue coloring to the butter you spread on your bread? You may not have tried this, but for years, scientists have studied the effect of color and food appearance on how food tastes. Believe it or not, our eyes are an important part of how we taste and perceive food! In this activity, you will learn about how you can trick your taste buds—with just a little food coloring!

Credits

Megan Arnett, PhD, Science Buddies
Ben Finio, PhD, Science Buddies
This activity is not appropriate for use as a science fair project. Good science fair projects have a stronger focus on controlling variables, taking accurate measurements, and analyzing data. To find a science fair project that is just right for you, browse our library of over 1,200 Science Fair Project Ideas or use the Topic Selection Wizard to get a personalized project recommendation.

Materials

  • Apple juice
  • Red, green, and blue food coloring
  • Drinking glasses (at least 5)
  • Water
  • Volunteers

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Active Time
20-30 minutes
Total Project Time
20-30 minutes
Key Concepts
Sensation, perception, taste