Precision and Accuracy

In measurement, there is always a degree of uncertainty.

• True

• False

• low precision, low accuracy

• high precision, low accuracy

• low precision, high accuracy

• high precision, high accuracy

Tags

NGSS.MS-ETS1-1

• low precision, low accuracy

• high precision, low accuracy

• low precision, high accuracy

• high precision, low precision

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

How CONSISTENT or close the numbers are regardless of to the actual value is the definition of .......

• accuracy

• target value

• uncertainty

• precision

?

• High Accuracy & High Precision
• High Accuracy & Low Precision
• Low Accuracy & High Precision
• Low Accuracy & Low Precision

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

Which Student is the most Precise?

• Alex

• Shandra

• Luis

Convert from meters to cm:  9 meters

• 900 cm
• 90 cm
• 0.9 cm
• 0.09 cm

Convert 17 m to cm:

• 0.17 cm
• 0.017 cm
• 1,700 cm
• 170 cm

1000 grams = _____ kilograms

• 0.0001
• 1,000,000
• 10
• 1

What is the length of the key?

• 2 cm
• 0 cm
• 4 cm
• 2 inches