Book 14, Question 26
Why Are Big Things Usually Lower in Sound than Small Things?
Big things are usually lower in sound because they swing back and forth more slowly! Slow vibrations make low sounds. Small, light things vibrate quickly, so they make high sounds.
More fun facts
- Big things usually vibrate more slowly than small things.
- Slower vibrations make lower notes.
- A small triangle vibrates quickly and makes a high note.
- A long length of ruler hanging off a desk vibrates more slowly than a short length.
- Size, shape and material all change the sound an object makes.
Sources: BBC, BBC, BBC Bitesize
Questions kids ask
Why does a tuba sound lower than a trumpet?
It is much bigger, so it makes lower notes.