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## Ignore words

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Vector
A quantity with both magnitude and direction
Scalar
A quantity with magnitude and no direction
SI Unit
A unit adopted for international use
Base Quantity
A type of physical quanitity. Derived quantities are formed from base quantities.
Base Unit
One of 7 SI units used as the base for other units
Prefix
Part of the beginning of the word that adds meaning, especially when it comes to the size of a unit
Scientific notation
A way to express quantities as powers of 10
Resultant
The combination of 2 or more vectors
Physical Quantity
A quantity that can be measured. It has a magnitude and a unit.
Pendulum
An object hanging from a point, swinging back and forth from gravity
Magnitude
Size
Direction
The way where something is pointed
Coordinate Plane
A plane with an x-axis and y-axis
Order of Magnitude
The size of something, measured in powers of 10
Axis
A reference line, from which distances are measured