Rainbows can teach us about the visible light spectrum. Learners observe multiple items that clearly display a rainbow to develop better connections. The lesson then explains wavelength using a rope to make waves.

Concepts

light spectrum, white light, light waves

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Additional Tags

science

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Instructional Ideas

• Before starting the lesson, hang a poster of a rainbow in your room and don't comment on it to see if anyone notices the connection to the lesson

Classroom Considerations

• Groups of three are ideal, but groups of two to four would also work
• Expects prior knowledge of how to record observations, but this could be reviewed throughout the lesson as needed

Pros

• Further resources are high quality materials from NASA

Cons

• This activity does not include any assessment or applied knowledge

Common Core

RST.6-8.3