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Procedure
1.
Put 2 AA Energizer batteries in the flashlight.
2.
Turn on the flashlights and write down the start time down.
3.
Turn the flashlight off if you are leaving and write down the time when
we turned it off.
4.
Turn them back on when we come back/ have time; record time.
5.
When they burn out; record the time. Repeat for Duracell and Panasonic.
6.
Make a chart/graph to record our data
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