Question 17
Arun makes big card ears to see if it helps him to hear very quiet sounds.
Make some big ears and test them with your friends.
Plan which quiet sounds you will listen to.
Predict if these quiet sounds will be louder when you use the ears.
Record your results in a table like this.
| Sound source | Prediction | It was the same | It was louder |
|:-|:-|:-:|:-:|
| clock | it will be louder | | ✓ |
| | | | |
| | | | |
Record your results.
Were your predictions right?
Make some big ears and test them with your friends.
Plan which quiet sounds you will listen to.
Predict if these quiet sounds will be louder when you use the ears.
Record your results in a table like this.
| Sound source | Prediction | It was the same | It was louder |
|:-|:-|:-:|:-:|
| clock | it will be louder | | ✓ |
| | | | |
| | | | |
Record your results.
Were your predictions right?
