Activity #3: Gummy Bear Osmosis

Materials:  gummy bears, water, salt, plastic cups, tape, scale

Part 1: Carefully view the below video and complete the summary in your workbook.

Part 2: Carefully follow the activity instructions in the video below. Document activity in your workbook. 

Part 3: Considering that high salt intake can increase water retention, leading to higher blood pressure, relate this to the changes you saw in the gummy bears when exposed to salt water. What does this suggest about the movement of water in and out of cells in the body? Clearly explain your logic in your workbook.