LI.To observe the Properties of sound
Sound is created by objects and vibration. Sound has three propertys.
One property of sound is sound can travel in all directions. This is proven by standing one meter away from the source of sound, making a noise, and recording the level of the sound.
The second property is sound can travel around coners. This is proven by clapping from around a corner with the sound recorder on the other side.
The third property is sound disapates when it travels. This is proven by dropping a ball near a meter recording the sound and another meter on the far side of the room. The meter on the other side of the room should record a quiter sound.
No comments:
Post a Comment
Note: only a member of this blog may post a comment.