Astro Bob: How to calculate the speed of light using your kitchen microwave Use your microwave oven to perform a simple experiment to measure a fundamental quantity.

What is speed? Definition. Units of speed. Calculate one of distance, speed or time given the other two variables.

Multiplication and division skills are useful when solving speed, distance and time problems. It may be useful to review how to calculate speed, distance and time.

Ole Roemer used the moons of Jupiter to estimate the speed of light. Here's how he did it.

How to Calculate How Fast a Plane’s Flying—While You’re on It When you look out of the window of a plane, everything looks so small. But they're all big enough to do some physics.