How can the accuracy of a scale be verified?

Verifying the accuracy of a scale is essential in ensuring precise measurements, and the most effective method to do this is by using a calibrated weight. A calibrated weight is a known standard, typically produced to specific tolerances, that can confirm the scale's precision. When a scale is tested with a calibrated weight, the expected weight can be compared to the measurement that the scale displays. If the scale shows the correct value, it indicates that the scale is functioning accurately.

Other methods, such as measuring liquid volumes or checking the angle of incline, do not directly assess scale accuracy. Measuring liquid volumes pertains to the functionality of a different type of measuring device, while checking the angle of incline relates to the physical placement of a scale rather than its calibration. Similarly, assessing temperature may have implications for certain types of measurements but does not serve as a direct verification method for the scale's accuracy. Thus, using a calibrated weight stands out as the most reliable approach to ensuring a scale's precision.