Measurement Review

Front

What is density?

Back

Density is the mass of an object divided by its volume, typically expressed in grams per cubic centimeter (g/cm³).

Front

How do you calculate density?

Back

Density = Mass / Volume.

Front

What tool is used to measure the volume of a liquid?

Back

Graduated Cylinder.

Front

What is the unit for measuring volume?

Back

Cubic centimeters (cm³) or liters (L).

Front

What is percent error?

Back

Percent error is a measure of how inaccurate a measurement is, expressed as a percentage of the accepted value.

Front

How do you calculate percent error?

Back

Percent Error = |(Estimated Value - Actual Value)| / Actual Value x 100%.

Front

What does it mean if a measurement is accurate?

Back

A measurement is accurate if it is close to the true or accepted value.

Front

What does it mean if a measurement is precise?

Back

A measurement is precise if it yields consistent results when repeated.

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 the measurements are.

Front

What is a graduated cylinder used for?

Back

A graduated cylinder is used to measure the volume of liquids accurately.