These semicircular plastic cells with clearly demarcated measurements are perfect for observing the refractive properties of different liquids such as water, oil, alcohol, or other transparent liquids. The refraction cups are made of a clear, durable plastic and are economically priced for bulk classroom purchases. The inside of the cup is printed with clear and precise degree measurements, from 0-180, in both directions, so that you can produce the most accurate results possible from your refraction experiments.
Diameter: 4-3/4" (120mm), Depth: 1-3/16" (30mm), Thickness: 1/16" (1.5mm)
These goggles meet the ANSI Z87.1, 2010 High Impact standards.
Large nitrile exam gloves designed and manufactured for superior protection against viral, bacterial, and certain chemical hazards.
Highly durable lab apron made of rubberized cloth is impermeable and easy to clean, perfect for all manner of lab or classroom experiments
Recommended for protection against chemical splashes. A must have for every young chemist!
Extra-small nitrile exam gloves designed and manufactured for superior protection against viral, bacterial, and certain chemical hazards.
These ear plugs are made of self adjusting foam that provides a comfortable, low pressure fit and excellent sound filtration.
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
Learn about hydrogen fuel cells with this incredible kit!
A beautiful desk or bookshelf accessory for the reading fanatic in your family!
This glass Erlenmeyer mug makes an excellent gift!
Build a model green house and 9 other green energy-related devices with this great kit!
This microscope is so versatile you can even take it with you on a job site!
At xUmp.com you will find a large selection of scientific products carefully curated by real scientists and educators. We sell everything from educational toys, teacher supplies for science classroom, lab equipment, science toys, science fair supplies, classroom equipment, chemistry glassware, chemistry lab equipment, physics demos, electronics supplies, robots, science kits to geeky science gifts.