Purple Premium UV Beads, 50 Count, Ultraviolet Detector – SherJohnsEmporium

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Purple Premium UV Beads, 50 Count, Ultraviolet Detector, Ultra-Violet, Educational, Science Fair Ideas, Physics Lessons, Buy OnlineScienceMall Fast Shipping

50 Premium Translucent Beads

Change to Bright PURPLE in Presence of UV Light

Beads measure 9mm in diameter. Holes measure 3mm.
Available in Multilpes of 50 (approximate count determined by weight)

These premium UV beads are a fun way to teach physics and make the invisible become visible. These beads are truly Science Fun! Combine science, art and practicality. Our solar UV beads are pale in visible light, such as indoors or if they are shielded by a UV screen such as automobile glass or sunglasses. Our Ultra-violet sensitive beads contain a pigment which changes to PURPLE when exposed to UV light from the Sun or other UV source.

Many of today's space telescopes observe colors of light not in the visible spectrum such as infrared and ultraviolet.

Children can make a simple bracelet from a standard pipe cleaner or strip of rawhide which can function as a UV detector. Use your imagination to think of other things to use them for. Many other experiments are possible as well test sunglasses for the effectiveness of their UV protection, or even suntan lotion.

Also available in Red, Blue, Orange, Yellow and an Assortment of colors. All beads are pale, off-white in the absence of UV light. The ultraviolet beads will cycle back and forth (to bright colors and back again) over 50,000 times! Become an ultraviolet detective with these amazing UV-sensitive beads! It's solar magic in action! Make bracelets, test the effectiveness of sunscreen, or experiment with color while you learn about the power of sunlight. Included is a science activity guide with lots of fun experiments with solar radiation and light.Ultraviolet Beads glow with bright colors when exposed to the sun or other UV light source, but remain off-white when indoors or not in the presence of UV. Students can use UV Beads to design and conduct experiments that test the effectiveness of UV protection: sunglasses, sun-block, and automobile glass for example. Combine science and art to create jewelry and other fun art projects using the beads. String the colorful little UV indicators together to create necklaces or bracelets that double as UV detectors.

Lacing for stringing these premuim UV beads is sold seperately

Not for children under age 3 years: small parts: choking hazard

Watch white beads change to bright colors when taken outside the building! When returned they turn back to white. What causes the change? Humidity?

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, Science Fair Ideas, Physics Lessons, Practical Sun and Outdoor Use, UV Detector, Buy OnlineScienceMall Fast Shipping

Premium UV Beads, Assorted Colors, 50 Count