Units
The Free High School Science Texts: A Textbook for High School Students Studying Physics
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PGCE Comments - TO DO LIST - Introduction - Unit Systems - The Importance of Units - Choice of Units - How to Change Units - How Units Can Help You - Temperature - Scientific Notation, Significant Figures, and Rounding - Conclusion

Conclusion

We have discussed the importance of units. We have learnt that there are many different units (units of time, units of length, units of mass) to describe the same thing, also there are different systems to define units, although we should stick to SI units in our calculations. We also know how to convert between different units. This is a skill we must acquire.