SI units

SI units...
for temperature = Kelvin (K)
SI unit for weight = Newton (N). = kilograms x m/s squared
SI unit for time = seconds (s), minutes (min), hour (h) etc.

Temperature is the measurement of how hot or cold something is.
Time is to measure time accurately by using a stopwatch. There are two kinds of it. One is the mechanical stopwatch, and the other is the electronic stopwatch.
Mechanical - the smallest division is 0.1 seconds.
Electronic - the smallest division is 0.01 seconds.
Other examples of how people used to tell time is the sundial and the hourglass.