Nitinol memory wire is metal that remembers its original shape when heated (alloy of nickel & titanium). Experimenting with nitinol memory wire is fun like a magic trick, but it demonstrates physical principles of thermal energy and elasticity. Safety note: Be sure to explain safety precautions to children. This experiment uses hot water. Eye and skin…
thermal energy
Hand warmer reaction
With crisper temperatures, hand warmers start popping up on dollar tables at the stores. These inexpensive ones come two to a cellophane package, one for each hand. The warming chemical is inside a non-woven bag. Here’s an experiment that gives children a chance to explore the hand warmer reaction and learn more about the chemical…
Glow stick experiment
Glow sticks are easy to find in many colors around some of the holidays. What a great time for an energy glow stick experiment that demonstrates chemical and physical principles. Safety note: Be sure to explain safety precautions to children. This experiment uses hot water. Skin protection should be used. Avoid getting chemicals from the the…