1) What causes sound? a) pitch b) energy when something vibrates c) volume 2) What is the main way the sounds of a siren and a whisper are different? a) They have different pitches. b) They are different kind of energy. c) They have different volumes. 3) Can sound make materials move? Which test should you do to answer the question? a) Pluck a guitar string b) Bang a pot near a pile of rice c) Blow across the top of a water bottle. 4) What is NOT a way to communicate with sound. a) drawing b) singing c) talking 5) What would life be like without email and cell phones? a) Life would be the same. b) People would have to use different technology. c) There would be no technology at all. 6) What do people do when they share information with others? a) they communicate b) they measure c) they sleep 7) John rings a bell to wake his sister in another room. What does this show? a) Life would be different without technology. b) Sound can be used to communicate over distances. c) People need many tools to communicate. 8) If people no longer had email, what would they most likely do? a) Give up on technology b) Stop communicating c) Write letters 9) Which sound has a high pitch? a) a growing dog b) a squeaky wheel c) a purring cat 10) What happens when something vibrates? a) It melts. b) It makes a light. c) It moves back and forth quickly. 11) Which sound has a low pitch? a) A whistle b) A lion's roar c) Jingle of keys 12) What is volume? a) How loud or soft a sound is b) How high or low a sound is c) How much an object moves back and forth

Unit 2 - Sound

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