Transcription of Drops on a Penny Lab - aurorak12.org
1 Drops on a Penny LabProblem: How does the scientific procedure affect the results of an experiment?Hypothesis:Now for the lab which will test the : How many Drops of water will fit on a : (Read page 40 42 to find information about water. Write down at least 3 sentences of background information.)Materials: Dropper, Penny , water, paper : (Write down a step by step procedure, and then do your experiment).Data: (Find a logical way to record your data, then record that data on the board)Class Data:# of Drops (random procedure)# of Drops (standardizedprocedure)Class AverageMaxMinRangeWhat do we need to control?
2 ?Now for the standardized procedure!!1. Put a shiny Penny that is not worn on a level surface with the heads side Using a dropper with the small nozzle, hold it at a 45 degree angle 1 cm above the center of the Penny /water. 3. With a steady hand, gently squeeze out one drop at a time, making sure to wait until the water has stopped moving before squeezing out the next Count the total number of Drops that the Penny can Dry off the Penny and repeat steps 1 4 two more times to get an Record your average on the : Write your conclusion to the original does a scientific procedure affect the results of an experiment?
