21-22 PS Unit 1: Pre/Acc, Obs/Inf, Measurement

Front

What is the term for how close a measurement is to the accepted value?

Back

Accuracy

Front

What does high precision but low accuracy indicate in measurements?

Back

Measurements are consistently close to each other but far from the accepted value.

Front

Convert 100 cm to meters.

Back

1 m

Front

How long is the blue crayon if it measures 3 inches?

Back

3 inches

Front

If the actual length of an object is 7.0 cm, and the group results are 5.00 cm, 5.01 cm, 5.02 cm, 4.99 cm, 5.00 cm, and 4.99 cm, how would you describe their accuracy and precision?

Back

Only precise.

Front

What is 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 measurements are with each other.

Front

What is the SI unit for length?

Back

Meter (m)

Front

What is the formula to convert inches to centimeters?

Back

1 inch = 2.54 cm

Front

If a measurement is 10.0 cm and the accepted value is 10.5 cm, what is the accuracy of the measurement?

Back

The measurement is not accurate.

Front

What does it mean if measurements are described as 'not accurate and not precise'?

Back

Measurements are both far from the accepted value and inconsistent with each other.