Overview
Description:
"Exploring Properties - UV Bracelets" is a hands-on activity in which visitors use ultraviolet light to change the color of beads that contain photochromic dye. They learn that the UV beads change color as a result of nanoscale shifts in the shape of the dye molecules.
Checklist
Scientist reviewed?
Peer reviewed?
Visitor evaluation?
Nano Topics
Materials, tools, and applicationsAudience
All agesStandards
Physical science:
K-4: Properties of objects and materials
5-8: Properties and changes of properties in matter
9-12: Structure and properties of matter
Resources
Files:
Spanish files:
Video:
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