First, download this form.
Then, gather the materials you'll need:
We used a diapers, graduated cylinders, water, plates and/or cups.
(One per group. 4 students in a group = 8 groups total.)
Last, let your students explore.
I promise your students will love it! :)
FYI - For more science resources for Matter check out my Physical and Chemical Changes Resource Pack for sale at Teachers Pay Teachers.