Chapter 1- Measurement

Earths rotations

The rotation of planet Earth around its own axis, as well as changes in the orientation of the rotation axis in space

Units

The unique names assigned to quantities.

large quantities

In physics, to represent ________, bases of 10 are used.

Base Quantities

Quantities on the basis of which other quantities can be expressed

SI

The International System of Units is the modern form of the metric system and the world's most widely used system of measurement.

conversion factor

factor by which a quantity that is expressed in one set of units must be multiplied in order to convert it into another set of units.

Length

the property of being the extent of something from beginning to end.

Time

The indefinite continued progress of existence and events in the past, present, and future regarded as a whole.

Metre

The SI base unit of length

Mass

A large body of matter with no definite shape.

Prefixes

The words written before large quantities to express them as a base of 10.