Cells are the smallest unit of life which form the basis of an organism. Tissues are groups of like minded cells working together.

Tables represent facts and figures in a row and column format. Charts represent data in a more graphical manner which may include lines, bars and circles.

Mass is divided into three types: inertial mass, active gravitational mass and passive gravitational force. The most common type used in physics is the inertial mass, which is a quantitative measure of an...

Density is the object’s mass per volume. Weight is the force that the earth pulls on the mass of the object.

Accuracy is the degree of closeness of a measurement of a quantity to a “true” value, while precision is the number of times a measurement is close to a central value.