Quantification: Reading Measuring Device Values

Front

What is the definition of a thermometer?

Back

A thermometer is a device used to measure temperature, typically consisting of a glass tube containing a liquid that expands and rises in the tube as the temperature increases.

Front

What does the term 'meniscus' refer to in measuring liquids?

Back

The meniscus is the curve at the surface of a liquid in a container, which is used to accurately read the volume of the liquid at the lowest point of the curve.

Front

How do you read a thermometer?

Back

To read a thermometer, observe the level of the liquid in the tube and note the temperature scale at the point where the liquid level intersects.

Front

What is the significance of the last two digits in a time measurement?

Back

The last two digits in a time measurement often represent the fractional part of a second, indicating tenths, hundredths, or thousandths of a second.

Front

How do you convert hours, minutes, and seconds into total seconds?

Back

To convert hours, minutes, and seconds into total seconds, use the formula: total seconds = (hours × 3600) + (minutes × 60) + seconds.

Front

What is the difference between milliliters (ml) and centimeters (cm) in measurement?

Back

Milliliters (ml) measure volume, while centimeters (cm) measure length. They are used in different contexts, such as liquid measurements versus linear measurements.

Front

How do you determine the volume of liquid using a graduated cylinder?

Back

To determine the volume of liquid in a graduated cylinder, read the measurement at the bottom of the meniscus at eye level.

Front

What is the formula for converting Celsius to Fahrenheit?

Back

The formula for converting Celsius to Fahrenheit is: F = (C × 9/5) + 32.

Front

What is the importance of precision in measurement?

Back

Precision in measurement is important because it ensures accuracy and reliability in scientific experiments and data collection.

Front

How do you express time in hours, minutes, and seconds?

Back

Time can be expressed in hours, minutes, and seconds by breaking down the total seconds into these units, where 1 hour = 3600 seconds and 1 minute = 60 seconds.