Precision Instruments Study Guide

Front

What is Precision?

Back

The degree to which repeated measurements show the same result.

Front

What is Accuracy?

Back

The degree of closeness of measurements of a quantity to the actual (or accepted) value.

Tags

NGSS.MS-PS3-4

Front

What is the measurement (inches) between 1.000 in and 1.005 in?

Back

1.002 in, 1.003, 1+0.002=1.002, 1+0.002 = 1.002, 1.002 inches.

Front

What is the minimum reading of a measurement in inches?

Back

0.001 in.

Front

What is the measurement of the smallest division on the micrometer?

Back

0.001 in.

Front

Define the term 'Measurement'.

Back

A quantitative description that includes both a number and a unit.

Tags

NGSS.MS-PS3-1

Front

What is a Micrometer?

Back

A precision instrument used to measure small distances or thicknesses.

Front

Explain the difference between Accuracy and Precision.

Back

Accuracy refers to how close a measurement is to the true value, while precision refers to how consistent repeated measurements are.

Front

What is the significance of the smallest division in a measuring instrument?

Back

It indicates the smallest increment that can be measured accurately.

Front

How do you calculate the average of multiple measurements?

Back

Add all measurements together and divide by the number of measurements.