Vibrations and solid materials | Science | Quizalize & Oak National Academy

Starter quiz

Match the medium to the object.
- solid
  
  ⇔
  
  spoon ✓
- liquid
  
  ⇔
  
  shampoo ✓
- gas
  
  ⇔
  
  steam ✓
Which body part is used to hear sounds?
- ear ✓
- nose
- eye
- hand
- tongue
Sound waves need to travel through a ______ in order to reach our ears.
- 'medium' ✓
Why can sound not be heard in outer space?
- It is too dark in outer space for sound waves to travel.
- There is no air so no medium for the sound waves to travel. ✓
- They can be heard but no one has tested it yet.
What causes sounds to be heard?
- Vibrations travel to the mouth causing vocal cords to vibrate.
- Vibrations travel to the ear causing the eardrum to vibrate. ✓
- Vibrations stay in the object and send signals to your ears.
Which sentence best describes sounds travelling through a liquid medium?
- Sounds cannot be heard underwater.
- Sounds can be heard underwater. ✓
- Only music can be heard underwater.