Measurement REVIEW (Finals)

Front

What is the definition of significant figures?

Back

Significant figures are the digits in a number that contribute to its precision, including all non-zero digits, any zeros between significant digits, and trailing zeros in the decimal portion.

Front

How do you determine the accuracy of a measurement?

Back

Accuracy refers to how close a measured value is to the actual (true) value. It can be assessed by comparing the measurement to a known standard.

Front

What is the base unit for measuring length in the metric system?

Back

The base unit for measuring length in the metric system is the meter (m).

Front

What is the base unit for measuring mass in the metric system?

Back

The base unit for measuring mass in the metric system is the kilogram (kg).

Front

What is the base unit for measuring volume in the metric system?

Back

The base unit for measuring volume in the metric system is the liter (L).

Front

How do you read a graduated cylinder?

Back

To read a graduated cylinder, look at the bottom of the meniscus (the curve of the liquid) at eye level to determine the volume.

Front

What is the difference between precision and accuracy?

Back

Precision refers to the consistency of repeated measurements, while accuracy refers to how close a measurement is to the true value.

Front

What is the proper way to express 0.8 cm in significant figures?

Back

0.80 cm is the proper way to express it in significant figures, indicating that the measurement is precise to two decimal places.

Front

How many significant figures are in the measurement 6.300?

Back

There are four significant figures in the measurement 6.300.

Front

What is the formula for calculating volume of a rectangular prism?

Back

Volume = length × width × height.