In a solid, the particles are tightly packed ... The eureka can has a spout so that you can capture the overflowing water and measure its volume. Water, ice and water vapour are the same substance ...

Fluid ounces measure the volume of liquids like water or milk, and ounces measure the weight of a solid ingredient, such as ...

The carob seed which became the modern carats shows how ancient Greeks devised ingenious ways to ensure fairness in trade.

There are many different ways that the speed of waves in a solid can be measured ... until stationary waves can be clearly observed. Measure the length of as many half wavelengths (loops) as ...