Coin game | ingridscience.ca

routine This action can be run as complimentary play and/or a more organized game .
Free play :
Students are given the coins and asked to flick one across the postpone to hit another. They can experiment with changing the size of the coin that they flick and the mint that is hit, making a line of coins and flicking the goal one, flicking the bottom mint of a stack, and other activities that they will invent .
Try flicking the coins across unlike surfaces ( carpet, polish deck, sand newspaper ) and compare which slows down the mint most and which slows it down least i.e. which has most friction and which has least friction.

Coin game :
Two students sit opposite each early and make a finish with their index and short finger of one hand over the edge of the table. Each student starts with the like number of coins. score goals by flicking coins into the opposition ’ south goal.
Rules :
In every act a coin must hit another, and for a goal to count.
Coin is out of play when it it flicked off the board.
Final score when all the coins are in goals or off the table.
While the students play, ask them to notice how energy is transferred from one coin to another. At the end of the games, bring up the same concepts as in the exempt act Debrief above.

Games that involve similar transfer of energy : coil, billiards, boules.

Discussion of the forces and energy transfer :
The wedge of the finger hitting the mint makes it move.
The violence of one coin hitting another makes the second coin go. As one mint hits another, energy is transferred from the beginning mint to the moment coin, so that the first coin can move and the second base coin stops moving. Depending on the relative size of the coins the second coin will move far or less army for the liberation of rwanda. If the flick mint is modest enough and the second gear mint large adequate, the flick mint may bounce off .
Coins stop moving along the board, even if they do not hit another coin, as some energy is lost as heat from clash between the coin and the tabletop, and some is dissipated as sounds waves .
For older students the coins act according to Newton ’ s Laws of Motion :
First Law : Any object will stay still, or continue to move in a straight line, unless an external violence acts on it ( e.g. finger hitting coin, coin hitting another mint ).
second law : Larger coerce or a larger object will alter the amphetamine of motion of an object ( flicking hard, or using different-sized coins will alter how far the mint moves ).
one-third law : An object will have an equal and reverse reaction to the force applied to it ( the coin pushes back on the finger when it moves ahead ) .

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