SI Base Units
Definitions
Definitions 2
SI Base Units 2
Accuracy vs Precision
Dart Board
100

Length

Meter

100

The measuring system you use in your daily life

English System

100

The measuring system we use in science class

Metric System

100
Temperature

Kelvin and Celsius

100

One arrow in the center of a bullseye

Accuracy

200

Time

Second

200

Amount of space between two points

Distance

200

How close together repeated measurements or events are to one another

Precision

200

Volume

Liter

200

Three arrows scattered around but NOT in the center

Not Accurate; Not Precise

300

Mass

Grams

300

A measured distance

Length

300

Determination of the amount of something

Measurement

300

Density

Gram / Milliliter
300
Three arrows ALL in the center 

Accurate; Precise

400
How close a measurement is to the accepted or true value

Accuracy

400

Three arrows all together but NOT in the center

NOT Accurate; Precise

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