1. The Important Thing About Sound
By: Holly Im-Hamper

2. The important thing about sound is that it is all around us and each sound has a source.
different
characteristics
including pitch
and volume.
But, the important thing about
sound is that it is all around us
and each sound has a source.

3. The important thing about sound is that it is all around us and each sound has a source.
Vibrating objects produce sound. Some vibrations are visible. Different size vibrations produce different sounds.
But, the important thing about
sound is that it is all around us
and each sound has a source.

4. The important thing about sound is that it is all around us and each sound has a source.
Faster vibration cause a higher sound. Slower vibrations cause a lower sound.
But, the important thing about
sound is that it is all around us
and each sound has a source.

5. The important thing about sound is that it is all around us and each sound has a source.
Pitch is the highness and lowness of a sound. Size of a vibrating object affects the pitch it makes. Larger objects produce a lower pitch than smaller object.
But, the important thing about
sound is that it is all around us
and each sound has a source.

6. The important thing about sound is that it is all around us and each sound has a source.
Increasing the tension of a rubber band raises the pitch. Decreasing the tension lowers the pitch. Stretching the material of a drumhead creates both higher tension and pitch. Less tightness creates less tension and pitch.
But, the important thing about
sound is that it is all around us
and each sound has a source.

7. The important thing about sound is that it is all around us and each sound has a source.
Strings can be vibrated to produce different pitches. Pitches can change depending on the size and/or tension of the vibrating object.
But, the important thing about
sound is that it is all around us
and each sound has a source.

8. The important thing about sound is that it is all around us and each sound has a source.
Volume is the loudness or softness of a sound. When more energy or force is used to make a sound, the volume increases.
But, the important thing about
sound is that it is all around us
and each sound has a source.

9. The important thing about sound is that it is all around us and each sound has a source.
A second way to increase volume is to amplify. Amplify is to increase the amount of material vibrating.
But, the important thing about
sound is that it is all around us
and each sound has a source.

10. The important thing about sound is that it is all around us and each sound has a source.
Air and materials such as a pencil an transmit sound. Sound waves can travel through some materials better than others.
But, the important thing about
sound is that it is all around us
and each sound has a source.

11. The important thing about sound is that it is all around us and each sound has a source.
Music is made up of sounds of different pitch and volume.
But, the important thing about
sound is that it is all around us
and each sound has a source.