Lab Safety: The Importance of Accurate Measurement

The video tutorial explains the difference between accuracy and precision using dartboard examples. It emphasizes the importance of accurate measurements in various fields such as science, manufacturing, and medicine. The tutorial discusses how to choose the right instruments for different measurements and highlights the potential errors and consequences of inaccurate measurements. It concludes by stressing the necessity of accuracy in our technological world to ensure safety, health, and reliable data.

What is an example of a measurement that is accurate but not precise?

• Darts concentrated in the bull's eye

• Darts concentrated in one spot, not the bull's eye

• Darts missing the target completely

• Darts scattered evenly around the bull's eye

Why is it important to use the correct instrument for measurement?

• To make the process easier

• To save time

• To ensure precision and accuracy

• To avoid using technology

Which instrument is suitable for measuring small objects?

• Odometer

• Micrometer

• Radar

• Tape measure

What is a parallax error?

• An error due to incorrect line of sight

• An error due to instrument malfunction

• An error due to incorrect instrument calibration

• An error due to environmental factors

What could be a consequence of an inaccurately measured dose of medicine?

• It may taste different

• It may harm a patient

• It may have no effect

• It may be more expensive