1. Title: Gummi Bear Diffusion
Introduction:
What we did:
We added Gummi Bears to salt water and tap water and measured how water diffused into them overnight.
Why we did it:
We did this experiment to investigate diffusion in action. The concentration of water was high outside of the Gummi Bear and low on the inside of the Gummi Bear. As time passed, the water diffused into the Gummi bear. 1
Here are our three groups. We put
a different color in each beaker to
keep track of which was which.
We had to fish
the Gummi Bears
out with our fingers.
We measured the Gummi Bears to find their volume. 2 3 4
We left them overnight. 5
For the Future:
What we still want to know:
Did the sugar from the Gummi bear dissolve into the water? How could we find out?
How we could improve the activity:
If we did this activity again, we could allow each group to choose their own variables for their experimental groups.
The Gummi Bear in tap water (right) was much bigger than the one in salt water (left), and both were bigger than the control group.