Independence of Motion, enables the Projectile Launcher to perform the classic experiment where one ball is dropped as another is projected horizontally. The balls strike the floor simultaneously. A built-in level makes leveling th
Acid Base Indicators, Kit Includes:1x25 ml Hydrochloric Acid, 32% UN1789, 1x10 g Sodium Hydroxide UN1823, 2x30 ml Isopropyl Alcohol, 99% UN1219, 1x30 ml Acetone UN1090