Hi folks,
Today we got a bit deeper into density by having the students measure multiples of different objects. As we were doing the lab we noticed that it didn't matter how many pennies we had or how much water we had, the density always stayed the same. This is because density is a ratio of mass and volume. It doesn't matter how much you have, any substance will aways have the same density.
For homework this week I want you to take your new found density finding skills and put them to good use at home. Find the densities of three different objects. You can use the immersion technique or the measuring technique (especially if it's something you don't want to put in water) to find the volume and then use a scale to get the mass of an object. You may not have the same type of equipment that we do in class but I bet you have measuring cups and a scale in your kitchen. Do the best you can and see what you find.
Want some extra credit?? Do 6 things instead of just 3.
Just to be clear as to what I'm looking for this week. When you hand in your homework, I'd like to see a data table with the object, the mass, the volume and the density.
Here's an example.
Have fun!
.
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