Sound Waves
Grade 7•45 minutes•Demonstrate how sound works
Learning Objective
I can demonstrate how sound waves work by describing their properties, such as frequency and amplitude.
Practice Questions
This lesson includes 7 practice questions to reinforce learning.
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1. Describe how sound waves travel through a solid material.
2. Explain the difference between compressions and rarefactions in a sound wave.
3. Why does sound travel faster in solids than in gases? Explain your answer in terms of particle density.
...and 4 more questions
Educational Video
GCSE Physics - Sound Waves and Hearing
Cognito