Activity (Hands-On)Grades 10 - 12
What’s Your Angle? Assessing Wave Refractions
Materials List
Each group needs:
- 100-ml beakers (6 per group)
- 20 ml water
- 20 ml ethyl alcohol
- 20 ml clear dish soap
- 20 ml corn syrup
- 20 ml vegetable oil
- What’s Your Angle? Worksheet (PDF)
- What’s Your Angle? Placemats (PDF) (3 per group)
- one laser (prefer green laser)
- one protractor
- one ruler
- a dry-erase marker or masking tape (to label beakers)
- safety goggles (one pair per student)