1. Collect "Final lab report: What makes a good conductor?"
2. Check out the tutoring help on the science home page
2. Explain density bag lab. This is an in class assignment!
3. Do the lab.
***Add extension: On the back of the first paper draw how the bag floats in each cup of water for each bag. On the back of the second paper, draw diagrams for "Salinity affects Density", "Temperature affects Density" and "Water Layers" from the Density information page.
Helpful hints for a successful lab:
-be very gentle with the small plastic colored bags!
-have a plan for how you will test all the bags
-work as a group to gather all the information