Drops on a Penny Lab - The Science Queen
Name ______________________________ Date __________________ Block ______
Penny Drops Lab
Question: How many drops of water will a penny hold?
Hypothesis: I think a penny will hold ________________ drops of water.
Materials: Penny, Eyedropper, Water
Procedure:
1. Put the penny on a flat surface.
2. Use the eye dropper to drop water on the penny, one drop at a time.
3. Count the number of drops until the water spills over the edge of the penny.
4. Record your data.
5. Repeat steps 1 -4 for a total of 5 trials.
Data:
|Number of drops of water held by a penny |
|Trial |Number of Drops |
|1 | |
|2 | |
|3 | |
|4 | |
|5 | |
|Average | |
Data Analysis:
1. Did you get the exact same data each time you performed the investigation? Why or why not? _________________________________________________________________________________________________________________
2. Compare your results to the results of your classmates. Did everyone in the class get the same results? Why or why not? __________________________________________________________________________________________________________________
3. What type of things might have been changed from group to group to cause the differences in data? __________________________________________________________________________________________________________________
4. What was the independent variable? _________________________
5. What was the dependent variable? __________________________
6. What was the controlled variables? _________________________
Conclusion questions:
1. Things that may change during an experiment are called
_________________________________________________________
2. Things that are kept from changing during an experiment are called
_________________________________________________________
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