Physics March

Scalar

a physical quantity with magnitude only

Vector

a physical quantity with both magnitude and direction

position

where an object find itself in relation to a point of reference

distance

the length of the path that an object follows from one position to the next

displacement

the change in position of an object

Velocity

the rate of change in displacement

speed

the rate of change in distance

acceleration

the rate of change in velocity

period

the time between a dot and the following dot

frequency

the amount of dots the a ticker timer’s gavel makes in a second

resultant

a single vector that has the same effect of two or more vectors combined

element

a pure substance that cannot be broken down to a simpler substance by chemical means.

compounds

a substance composed of 2 or more different atoms that are chemically bonded to form a simpler substance

mixture

a combination of 2 or more pure substances that are not bonded and keep its own special properties

matter

anything that occupies space and has a mass

material

substances composed out of matter

homogeneous mixture

a mixture with a uniform composition and the various components can’t be seen

heterogeneous mixture

a mixture without a uniform composition and the various components can be seen

chemical characteristics

how the material reacts with other material