Day 6
Measurements
Scientists all over the world have all agreed to use the same units of measurement in order to avoid accidents like the one with the mars climate satellite.
The universal measurement system is known as the SI Units. SI stands for international system (the S and I are backwards because the french came up with it and they say Le Système international)
Here is a good SI conversion chart to help you with your conversions
The SI system is very similar to the metric system and uses all of the same prefixes for its measurements.
Here is a chart of metric prefixes