Science Unit 2: Sounds Review

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Across
  1. 4. ____________ is what we measure volume in.
  2. 8. Cardboard tubes make the sound louder because the ___________________ have nowhere to go but to hit the solid, making it echo on the solid and appear louder to our ears.
  3. 9. The _______________ variable is what you measure at the end of the investigation.
  4. 11. Making sounds louder increases the _________
  5. 12. Sound travels from a source in ________
  6. 13. A guitar will have a ___________ pitch when you press the sting closer to the body of the guitar.
  7. 15. Cotton wool _______ sound.
  8. 16. You can ________ the pitch on a guitar by loosening the strings.
Down
  1. 1. Sound travels best through ________
  2. 2. The _______________ variable is what changes throughout the investigation.
  3. 3. A _______ is a wind instrument.
  4. 5. The variable that stays the same throughout an investigation is the _________
  5. 6. ____________ is a tool to measure sound.
  6. 7. Pitch becomes higher when the sound waves vibrate _____________.
  7. 10. A sound is high or low according to its _______
  8. 14. An ________ makes sound louder.