When these two steel balls collide, the impact generates enough heat to burn a hole through a regular piece of paper. A simple yet spectacular experiment that demonstrates the transformation of mechanical energy into heat energy (and sound!).
Makes a spectacular demonstration.
Each ball is 2 inches (2.54 cm) in diameter and weighs approximately one pound (453 grams)!
Box of 100 X-SMALL nitrile exam gloves.
These disposable face shields are popular with health professionals, dentists, EMTs, etc. They act as a full-face barrier protection against body fluids.
This set includes four (4) N95 NIOSH approved respirators.
Box of 100 First Touch powder-free MEDIUM Nitrile exam gloves.
Highly durable lab apron made of rubberized cloth is impermeable and easy to clean, perfect for all manner of lab or classroom experiments
These disposable surgical-style earloop face masks conform to the ASTM F1862 Level 1 clasification. Box of 50.
Great reference card for chemistry and physics students.
This kit includes several different projects that demonstrate the power of magnets!
Check out this high-quality gyroscope!
This simple but amusing magnetic toy will keep you busy for hours!
Build your very own smart robot!
Build your own 10 inch kaleidoscope with this great kit!
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.