EASY
Lower Secondary Stage 8
IMPORTANT
Earn 100
What does pitch mean?
Important Questions on Sound
EASY
Lower Secondary Stage 8
IMPORTANT
What feature of a sound wave determines its pitch?
EASY
Lower Secondary Stage 8
IMPORTANT
What does volume mean?
EASY
Lower Secondary Stage 8
IMPORTANT
What feature of a sound wave determines how loud it is?
EASY
Lower Secondary Stage 8
IMPORTANT
Copy and complete by filling in the gaps. Choose from the words in the list.
| ossicles | eardrum | electrical |
Sound is made by vibrations. Air particles are made to vibrate. These vibrations travel through the air at a speed of about ____ . When the vibrations reach your ear they make your _____ vibrate. This makes the tiny bones called _____ vibrate. The vibrations are passed on further inside the ear. When they reach the nerve, ______ signals are sent to the brain. We hear these signals as sound.
EASY
Lower Secondary Stage 8
IMPORTANT
How do you lower the pitch of the note made by a stringed instrument like a guitar?
EASY
Lower Secondary Stage 8
IMPORTANT
Why do large musical instruments usually make deeper sounds than small musical instruments?
EASY
Lower Secondary Stage 8
IMPORTANT
(a) How can you change the pitch of the sound a drum makes?
(b) Explain your answer.
EASY
Lower Secondary Stage 8
IMPORTANT
How could you use a microphone and an oscilloscope to see what the sound waves made when you speak look like?
