iStarSign inScience 5 · Unit 2: Sound · Cambridge Primary Science Stage 5
2.4 Changing the pitch of sound
16 questions · e.g. What are the pegs on a guitar for?
Questions
1. You tighten a guitar string. What happens to its pitch?
Check2. Which guitar string makes a lower note?
Check3. Are the vibrations faster or slower when you tighten a string?
Check4. What does pressing a string down on the neck of a guitar do?
- makes the vibrating part shorter and the pitch higher
- makes it louder only
- makes the string longer and lower
- stops all sound
5. What are the pegs on a guitar for?
- holding the guitar
- tuning the strings by making them tighter or looser
- making it louder
- hanging it on a wall
6. How does a wind instrument make a sound?
Check7. How do you change the pitch on a recorder?
- hit it with a stick
- cover or uncover holes to change the length of the air column
- blow harder only
- tighten a string
8. Sofia covers fewer holes on her recorder. What happens?
- The sound stops.
- The air column is longer and the pitch is lower.
- The air column is shorter and the pitch is higher.
- The pitch stays the same.
9. The longer the column of air, the ...
Check- a full bottle
- the bottle with the most water
- the bottle with the least water
- all bottles sound the same
11. Which bottle makes the highest note when you blow across it?
Check12. Why did the bottle investigation use bottles of the same size and shape?
- so they held more water
- it didn't matter
- so only the length of the air column changed
- so they looked nice
13. What type of instrument is a set of bottles you blow across?
Check14. How can you make a drum play a higher pitch?
Check15. Low sounds are caused by ...
Check16. Which instrument do you play by plucking?
Check