Science Fair Project:

Mood Rings

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  • How accurate are mood rings in determining your mood?
  • What is the rationale behind the color change for each mood?
  • What other (external) factors contribute to the color change?

Mood rings are a fad from the 1970's. The face of the ring changes color, which is supposed to be indicative of your mood. These rings use the same technology as the temperature strips doctor's offices and hospitals use for taking a patient's temperature by the forehead. In this experiment students will test the validity of mood rings in determining a person's mood.

  • Mood ring or card
  • Thermometer

  1. Choose 10 subjects.
  2. Based on the color key to your mood ring/card have each subject choose the mood closest to their current mood. Record.
  3. Have each subject wear the ring (or place their thumb on the card). For each reading record the room temperature.
  4. Record the color and associated mood.
  5. How well does the ring/card work in determining mood?
  6. If the room temperature of the card differed how could it contribute to the color change?
  7. Organize your data into a chart:

Subjects

Room Temp (F)

Reported Mood

Mood Ring Color

Mood Ring Meaning

Reported vs. Reading

A

74

Calm

Red

Anxious

no

B

70

Calm

Green

Calm

yes

C

71

Happy

Green

Calm

similar

D

70

Calm

Blue

Happy

similar

E

70

Happy

Green

Calm

similar

F

68

Nervous

Black

Stressed

yes

G

68

Calm

Blue

Happy

similar

Terms/Concepts: Thermochromics; Thermotropic; What does each color represent

References:

Author: Melissa Bautista
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