Gummy Bear Osmosis

 Aim:

I want to find out what happens to gummy bears when we put them into different solutions.

Predictions:

I predict that the gummy will soften and the color will slowly fade.

Methods:

Equipment

*4 gummy bears of the same color
*2 Petri dishes
*Paper towels
*Maker pen
*Water
*Sugar Water 
*Saltwater
*Electronic balance
*Beaker
*Measuring Cylinder
*Safty googles

Instructions:

*Gather your equipment.
*Put on your safety glasses
*Using the marker, write the name of the condition on the dish. DRY, WATER, SALTWATER, SUGAR WATER!
*Weigh the gummy bear and write the weight on the Petri dish.
*Measure 40mL, of the solution and pour it into the Petrie dish.

Results:

4 days later:

Dry	Water	Saltwater	Sugar water
5.49g	5.38g	5.47g	5.44g
5.47g	3.97g	5.26g	6.52g
lost 00.2g	lost	lost	gain
	40mL	40mL	40mL
			7mL
	lost 40mL	lost 30mL	33mL

What is osmosis?

Osmosis is a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one.