First, we used droppers to see how many drops of water our pennies would hold. Students made their predictions as to how many drops of water their penny would hold and then they tested their hypothesis.
Most of them found out that their predictions were too small.
I gave each student 4 pennies, 4 cups and 4 sticky notes. They labeled the sticky note with the liquid that was in it and placed it beside each cup.
They then had to tell what they learned.
We also did some writing about Washington and Lincoln: