1. Mass: The measure of the amount of matter in an object. Measured in kilograms (kg).

2. Length: The measure of the distance between two points. Measured in meters (m).

3. Time: The measure of the duration of an event. Measured in seconds (s).

4. Electric current: The measure of the movement of electric charge. Measured in amperes (A).

5. Temperature: The measure of the average kinetic energy of the particles in a substance. Measured in Kelvin (K).