One spoon hanging from a piece of string 6 feet long and initially swinging very high (keeping the string tight you simply let it go from a fairly high position). One spoon hanging from a piece of string 6 feet long and initially swinging fairly low. One spoon hanging from a piece of string 3 feet long and initially swinging very high. One spoon hanging from a piece of string 3 feet long and initially swinging fairly low. Two spoons hanging from a piece of string 6 feet long and initially swinging very high. Two spoons hanging from a piece of string 6 feet long and initially swinging fairly low