Curated OER
Conversion Factors
In this conversion factors worksheet, students convert 15 measurements from one unit in the SI system of measurement to another unit. Students show their work and indicate the unit of measurement. Conversion factors are given.
Curated OER
Scale of Organisms
In this scale worksheet, students use the SI system to compare the sizes of some of the smallest and largest organisms on Earth. This worksheet has 7 problems to solve.
National Institute of Standards and Technology (NIST)
International System of Units: Si Base Units
This is the definitive source for information on SI base units, derived units, squares, cubes, luminosity, field strength and flux density.
Sophia Learning
Sophia: The Si System
A tutorial which introduces the International System of Units, and its use in making measurements during scientific investigation.
Sophia Learning
Sophia: The Si System: Lesson 3
This lesson should help the learner understand how to use the SI system to make measurements. It is 3 of 5 in the series titled "The SI System."
Sophia Learning
Sophia: Base & Derived Quantities: Lesson 4
This lesson should help the learner understand the difference between base and derived quantities and be able to recognize them from one another. It is 4 of 4 in the series titled "Base & Derived Quantities."