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Specifications
uv bead change colour in sunshine In seven assorted colors, all beads are pale, off-white in the absence of UV light.Items name: uv bead solar bead.
Materail: PP.
Colour: seven colour, green, dark blue, light blue, red, purple,orange,yellow.
•These UV beads are an inexpensive fun way to make the invisible become visible.
•The solar pony beads are pale in visible light, such as indoors or if they are shielded by a UV screen such as automobile glass or sunglasses. The Ultra-violet sensitive beads contain a pigment which changes color 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.
•One 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.
•In seven assorted 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!
•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 radiationand 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.
Package: 300pcs into on bag. 2000bag into one carton, carton size 45x35x25cm.
G.W: 13kgs per carton. N.W.: 12kgs per carton.
More details pls feel free to contact with us.
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