The Gummy Bear Osmosis Lab Your Students Will Actually Remember
A free, ready-to-teach lab for middle school and 9th grade biology. Students predict, measure and explain how water moves across a membrane, using supplies you can grab at the grocery store.
Everything you need to teach it tomorrow
1
Student lab handout
Background info, key terms, procedure, data table, & analysis questions
2
Materials list
Gummy bears, cups, water, ruler, or balance, & more
3
Analysis Questions
Students practice analysis to back up their claim with their own data
4
Teacher guide & key
Setup tips, misconceptions, sample answers, and sample results
DAY 1
Experiment Setup
Students measure their gummies and predict what each solution will do
NIGHT 1
Overnight
The gummies soak overnight in the various solutions.
DAY 2
Student Analysis
Students measure again, graph the change, and explain the results using osmosis and concentration.
