Act 1:

Act1 Bathroom Scale

1.  Will the scales read differently depending on the surface?  Why or why not?  Make a prediction.

Act 2:

Act 2 Bathroom Scale

2.  How does the scale make it’s measurements? To what extent will this have an effect on the readouts? Will it have any effect?

Act 3:

Act 3 Bathroom Scale

Sequel:

2.  What other surfaces would cause the scale to have different readouts?