Begin the lesson by introducing the concept of waves and their repeating patterns. Discuss how wavelength is the distance between two similar points in a wave's pattern.

Use a visual aid to show two waves with different wavelengths, highlighting how the distance between similar points varies.

Explain how wavelength affects the pitch of sound. Use examples such as a xylophone, where shorter bars produce higher pitches and longer bars produce lower pitches.

Discuss how different wavelengths of light correspond to different colors, with shorter wavelengths producing violet and blue, and longer wavelengths producing red and orange.

Watch the video 'Transverse and Longitudinal Waves' to understand how different types of waves transfer energy. This video uses practical demonstrations to enhance understanding.

Engage students in a hands-on activity by having them create waves using a rope or slinky. This will help them visualize the concept of wavelength and wave patterns.

Use the 'Creating and Observing Waves' assessment to further explore wave creation and observation. This activity involves creating waves in a tub of water and recording observations.

Assign students to draw waves with different wavelengths and label the parts. This activity reinforces their understanding of wave characteristics.

Use the 'Characteristics of Waves' assessment to evaluate students' understanding of wave properties. This assessment involves matching wave patterns to sounds and drawing different wave amplitudes.

Conduct a class discussion to review the key concepts of wavelength and its effects on sound and light. Encourage students to share their insights and reflections.

Test students' comprehension with the unit quiz at the end of the lesson.

For a comprehensive review, use the 'Review – Waves and Information' assessment. This activity includes tasks like comparing sound waves and explaining color perception.