I remember being facinated learning this in Elementary School. I used the level (top of opened door)/pulley(nylon rope) system to hoist my 4 year old sister 8 feet in the air. It was very successful, and I might have ventured to greater heights if I wasn't interrupted by our mother. ♥
Great lab experiences are the key to a successful chemistry or physical science course. Spice up your class by having your students perform these 14 "must-do" chemistry / physical science labs.