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Biology - HOT Science Lab

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Teacher<br />

d. Answer Key for Results:<br />

1. From the data collected, which bubble solution makes the biggest<br />

bubbles Commercial bubble solution should create the biggest bubble.<br />

2. Compare the commercial bubble solution with the detergent solutions.<br />

Was there a difference Answers will vary. Students show include data<br />

that explains the difference in bubble size between the 4 solutions<br />

tested.<br />

3. Predict the importance of adding glycerin to bubble solutions. The<br />

Glycerin (or glycerol) improves the soap bubble mixture in two ways: It<br />

increases the lifetime of the bubbles, and it makes the bubbles bigger.<br />

Extension:<br />

Interactive Scientific Method Investigation:<br />

http://sunshine.chpc.utah.edu/labs/scientific_method/sci_method_main.html<br />

GIZMO: Growing Plants<br />

<strong>Biology</strong> HSL Page 264<br />

Curriculum and Instruction

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