Measurment

Multiple Choice

Which of the following is the correct way to convert a temperature from degrees Celsius to Kelvin?

• Add 273 to the Celsius temperature

• Subtract 273 from the Celsius temperature

• Multiply the Celsius temperature by 273

• Divide the Celsius temperature by 273

Multiple Choice

What is the main difference between accuracy and precision in measurements?

• Accuracy is about how close a measurement is to the accepted value, while precision is about how close repeated measurements are to each other.

• Accuracy is about how close repeated measurements are to each other, while precision is about how close a measurement is to the accepted value.

• Accuracy and precision mean the same thing in science.

• Precision is not important in scientific measurements.

Multiple Select

Which of the following are required to calculate percent error?

• Experimental value

• Accepted (actual) value

• Number of measurements

• Both experimental and accepted values

Open Ended

Explain how percent error is calculated and why it is important in scientific measurements.

​https://youtu.be/KEeSQvMCPLg?si=KOaP6AwXAjQZisxR

Open Ended

A length of wood has a labeled length value of 2.50 meters. You measure its length three times. Each time you get the same value: 2.35 meters. Are your measurements precise? Are they accurate?

Multiple Choice

What is the SI unit for temperature?

• Kelvin

• Celsius

• Fahrenheit

• Joule

Open Ended

How confident do you feel about converting between Celsius and Kelvin after this lesson? What would you like to review or practice more?