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This A Splash of Color - Is Pure Water Colorless? activity also includes:
- Lab & Experiment
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What makes the ocean blue but a glass of ocean water nearly colorless? Investigators prepare tubes of water to examine the color of water. Scholars discover the relationship between light absorption, color variations, and water depth as they change the tube's viewing angle.
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Concepts
Instructional Ideas
- Display an image of the visual spectrum for a teacher-led discussion before beginning the lesson
- Invite scientists to record observations on a KWL chart
Classroom Considerations
- Assist younger group members with assembly as needed
- Gather materials and prep the learning space ahead of time
Pros
- Adapts easily to include additional concepts such as light scattering
- Provides information to add an engineering component for an interdisciplinary activity
Cons
- None