Accuracy

How close a measurement is to the true value is called..

• Accuracy
• Precision
• Significant
• Estimate

When a measurement is repeatable and consistent it is said to have...

• High precision
• Low precision
• High accuracy
• Low accuracy

This bullseye demonstrates...

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

length?

• 3.2 cm
• 3.12 cm
• 3 cm
• 3.219 cm

The metal is 7.1 cm long

• 7 is the estimated digit
• 1 is the estimated digit
• 7 is the uncertain digit
• Both 7 and 1 are estimated digits

Which tool for measuring volume provides the most accurate measurement?

• beaker
• graduated cylinder
• buret
• electronic balance

You place a rock on the electronic balance an it measures a mass of 12.38 g.  The estimated digit is....

• 1 
• 2
• 3
• 8

?

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

Tags

NGSS.HS-PS1-7

volume?

• 48 mL
• 48.2 mL
• 48.25 mL
• 4 mL

Volume?

• 63.5 mL
• 63 mL
• 63.55 mL
• 6 mL