1) what is sound? a) A type of energy that travels through the air, water, and other materials b) A type of food. 2) what happens when you hit a drum? a) Correct: The drum vibrates and makes sound waves that travel to our ears. b) The drum changes color and makes light waves. 3) What kind of sound do you hear when you are close to a drum? a) A very quiet sound. b) A loud sound. 4) Can you think of something that makes a loud sound? a) A fire engine siren. b) A whisper. 5) Can you think of something that makes a quiet sound? a) A cat purring. b) A thunderstorm.

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