National Science Education Standards.
Physical Science (9 - 12)Position and motion of objects
The position of an object can be described by locating it relative to another object or the background.
An object's motion can be described by tracing and measuring its position over time.
The position and motion of objects can be changed by pushing or pulling. The size of the change is related to the strength of the push or pull.
Sound is produced by vibrating objects. The pitch of the sound can be varied by changing the rate of vibration.
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