to practice to be able to think and solve the problem and be able to explain the reason supporting the method that can be used to solve that problem Instruments
1.A bottle with wide opening about 2.5 Cm.
2.A piece of paper.
3.A coin
4.scissor
5.Glue or sticky tape
Instruction:
1.Cut the paper stripe with 2cm. wide and make a paper ring by attach both end with Glue or sticky tape.
2.Let the paper ring stand vertically on the bottle,the put a coin on the top of the paper ring.
3.Find two methods to sweep the ring in order to make the coin fall into the bottle
DO NOT TOUCH THE COIN!!!!!!
4.Record your methods and the results as well as answer the questions below.