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)!
These goggles meet the ANSI Z87.1, 2010 High Impact standards.
Durable, anti-fog safety glasses that fit comfortably on any head size.
These goggles meet the American National Standards Institution (ANSI Z87.1) and Canadian Standards (CSA Z94.3) regulations.
Highly durable lab apron made of rubberized cloth is impermeable and easy to clean, perfect for all manner of lab or classroom experiments
Large nitrile exam gloves designed and manufactured for superior protection against viral, bacterial, and certain chemical hazards.
Extra-small nitrile exam gloves designed and manufactured for superior protection against viral, bacterial, and certain chemical hazards.
This toy combines the wonders of Sea Monkeys and glow-in-the-dark fun, all in one!
Get one of the craziest and coolest kaleidoscopes around!
Use this cool Sea Monkeys zooquarium to teach your child how to take care of a pet!
A touch of joy. A touch of science. Light responds to your touch and to the music in your room!
Build a model green house and 9 other green energy-related devices with this great kit!
This magic bird defies gravity before your very eyes!
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.