This animation will allow you to find the density of a penny, a nickel, and a quarter.
Make a hypothesis in which you suggest which coin will have the highest density and which will have the lowest density. A model hypothesis might be: "If the (fill in the name of a coin) has a greater density than the _____ and _____, then it will have a greater mass to volume ratio. If the (fill in the name of a coin) has a lower density than the _____ and _____, then it will have a lower mass to volume ratio.
"If the nickel has a greater density than the penny and quarter, then it will have a greater mass to volume ratio. If the penny has a lower density than the nickel and quarter, then it will have a lower mass to volume ratio."
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