Gummy Bear Osmosis
Aim:
I want to find out what happens to Gummy bears when we put them into different solution.
Prediction:
I predict that they will dissolve into the solutions.
Method:
Equipment
4x Gummy Bears of the same colour
2x petri dishes
paper towels
marker pen
Water
sugar water
Sugar water
Instructions:
1. Get your equipment.
2. Put on your safety glasses.
3. Using the marker pen, write the name of the condition on the petri dish. DR
| Dry | Water | Salt water | Sugar water |
Initial weight of Gummy Bear | 5.38 | 5.42 | 5.41 | 5.48 |
Final Weight of Gummy Bear | 4.81 | 3.60 | 4.21 | 5.41 |
Weight Difference | 0.57 | 1.82 | 1.2 | 0.7 |
Initial Volume | 7.29 | 11.65 | 7.71 | 13.08 |
Final Volume |
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Final volume |
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Volune difference |
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Discussion:
What is Osmosis?
Osmosis is the movement of water from a less concentrated solution to a more concentrated solution through a partially permeable membrane
Diffusion: The movement of any substance from a higher concentration to a lower concentration.
Conclusion:
The dry Gummy bear lost weight and was lighter after 6 days.
The Gummy bear in Normal water lost 1.82 gm in 6 days.
The gummy bear in salt water lost 1.2 gm in 6 days.
The gummy bear in sugar water lost 0.7 gm in 6 days.