**KNOWLEDGE**

## Classical Mechanics: The HowStuffWorks Quiz

6 Minute Quiz 6 Min

**Tasha Moore**

6 Min Quiz

Image: MirageC / Moment / Getty Images## About This Quiz

All things can be measured: light, wind, force, temperature ... you name it! That's the premise for this fun batch of educational questions. See if you can name as many measurements as possible on this clever quiz.

Science is such an exact, well, science. The International System of Units ensures that no matter where in the world folks are crunching numbers, all quantities and results match up perfectly. Every so often a bit of tweaking occurs and measurements are re-calibrated. It's all done to make everyone's analytical lives a little easier. Anything that makes math easier is always a good thing, correct?

The International System of Units is the modern metric system and the most widely used system of measurement. The abbreviation "S.I." is short for the French "Systeme International." There are base units, such as second (for time), meter (for length), and ampere (for electric current). Then there are derived units of measurement. We've included quite a few derived units on this test. How well can you reckon the differences?

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