By Christopher and Lily
Sound
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How sound waves are made
What type of wave is a sound wave
How sound travels
Unit measure loudness
Ultrasonic sound
Reflection of sound waves
What effects sound
Pitch and frequency
The Doppler effect
Quiz
The Answer Key
Correct
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3. medium
5. above the frequencies of audible sound
6. sonar & echolocation
7. temperature, stiffness and density
8. pitch