How Quickly Salt Dissolves
By Carson Hoefert
Question
How does size of a solid affect how it dissolves?
Hypothesis
Small solid dissolve more quickly.
Materials
Timer
pen
Camera
measuring cup
salt - different size pieces
Water - 2 cup
a stirring stick
Methods
To cups of water and a some salt rock and a timer. Add salt to water, start timer observe salt until it dissolves, stop timer and record timer
Data
Size of salt piece | Big | Medium | Small |
Time to dissolve | 266 seconds | 197 seconds | 69 seconds |
Results
Conclusion
The data showed that the small salt dissolves the fastest. My hypothesis was correct. To learn more, we could see if salt or pepper dissolves faster.
Acknowledgements
I would like to thank my Mom for buying all of the supplies and helping me.