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Physics

Quantities and equations

Use mathematical relationships and scientific units to express and check physical quantities.

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Try a lesson · free · 4 min

Quantities and equations · lesson 1

Guess first. It doesn't count.

If 1 meter equals 100 centimeters, which is the same length as 2 meters?

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Where this chapter sits in the course

Lessons

Chapter 1 of 24 · 6 short lessons · 24 min
  1. 1SI units and conversion factors4 min
  2. 2Rearranging equations5 min
  3. 3Powers and roots3 min
  4. 4Scientific notation and order of magnitude3 min
  5. 5Dimensional analysis3 min
  6. 6Challenge: Quantities and equations6 min

What you'll learn

  • Convert and estimate physical quantities
  • Manipulate and check physical equations

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