The metric system is a system of measuring. It has three basic units:
| m | the meter for length | |
| kg | the kilogram for mass | |
| s | the second for time |
With those three simple measurements
we can measure nearly everything in the world!
we can measure nearly everything in the world!
Examples:
Meter (Metre in UK)
| The length of this guitar is about 1 meter:  | When unfolded this ruler measures 2 meters:  | |
Kilogram
 | This gold bar has a mass of 1 kilogram. |  A dictionary has a mass of about 1 kilogram. |
Second
1 second is about as long as it takes to say "one thousand and one" |
Larger or Smaller
But what if we want to talk about really big or really small things?
we learn about it in the next chapter.
see you guys :)
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