Volume close volume The amount of space occupied by a 3D shape, measured in cubic units such as cm³, mm³, and m³. May also be referred to as capacity. is measured in cubic units such as cm³ or m³. The ...

For ages 12 and older. How many grains of sand would it take to fill the universe? This is a problem that the Greek mathematician Archimedes tried to solve in the third century B.C. In this activity, ...

Molecular Arrangement: The way molecules pack together also influences density. In solids, molecules are tightly packed in a fixed arrangement, whereas in liquids, they are more loosely packed and can ...