If you need to know it...it's in this booklet!
Science teacher Fred Bucheit has assembled hundreds of math and science facts for quick reference.
Included are facts on light, population, terminal speed, weights, bright stars, half lives, abbreviations, equations, chronology, base units, speed, density, sound levels, mass variations, energy in fuels, constants, magnetism, R values, musical notes, spark gaps, temperature conversions, surface tensions, frequencies and hundreds more.
These handy booklets come in packs of 30 for your entire class.