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OSMOSIS DIFFUSION LABS
Starch/Glucose OSMOSIS DIFFUSION |
SMELLY BALLOONS | EGG OSMOSIS | OSMOSIS with POTATOES |
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OSMOSIS
DIFFUSION LAB There are a number of variations of this lab You can order kits from Wards, but we found the lab handout that accompanies the kit is confusing for students. So we made our own. |
What you will need:
7 oz cups (1/pair of students)
Dialysis tubing
Liquid starch
Glucose
2 Glucose test strips
red, blue, green markers
Balance (optional)
USING A BALANCE (Compare mass of bags before/after) Copy the lab handout Answers Slide show (Copy and use as lab station signs) |
WITHOUT BALANCE (Compare by drawing line on bag & cup) Copy lab handout Answers Slide show (Copy and use as lab station signs) |
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Fill different balloons with
different liquid flavorings (available in cooking aisle) Banana, root beer, strawberry, mint, etc and see if students can identify the smells. Handout/?'s (used with egg osmosis/fish demo) |
OSMOSIS with POTATOES
POTATO
DIFFUSION LAB
Lab packet
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