TeachEngineering
Teach Engineering: Timing a Speedbot!
Students strengthen their communication skills by first learning the meaning of base units and derived units. Then, working in groups, students measure the time for LEGO MINDSTORMS NXT robots and calculate the robots' average speeds at...
BBC
Bbc: Revise Wise: Measures
This teaching site has interactive exercises using different types of measurement. You will measure length, capacity, area, perimeter, time, weight, temperature, and speed.