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Temperature Scales Video Lecture | Science Olympiad Class 6

FAQs on Temperature Scales Video Lecture - Science Olympiad Class 6

1. What are the different temperature scales used in measuring temperature?
Ans. There are three commonly used temperature scales: Celsius, Fahrenheit, and Kelvin. The Celsius scale is widely used and is based on the freezing and boiling points of water. The Fahrenheit scale is used primarily in the United States, and the Kelvin scale is used in scientific and engineering applications.
2. How do the Celsius and Fahrenheit temperature scales compare?
Ans. The Celsius and Fahrenheit scales have different zero points and intervals. On the Celsius scale, water freezes at 0 degrees and boils at 100 degrees at sea level. On the Fahrenheit scale, water freezes at 32 degrees and boils at 212 degrees at sea level. To convert between the two scales, you can use the conversion formulas: °C = (°F - 32) × 5/9 and °F = (°C × 9/5) + 32.
3. What is the significance of the Kelvin temperature scale?
Ans. The Kelvin scale is an absolute temperature scale used in scientific and engineering fields. It starts at absolute zero, which is the lowest temperature possible (-273.15 degrees Celsius or -459.67 degrees Fahrenheit). The Kelvin scale is particularly useful in calculations involving gases and other scientific experiments.
4. How is temperature measured in each of these scales?
Ans. Temperature can be measured using various instruments, such as thermometers. For the Celsius and Fahrenheit scales, a mercury-in-glass thermometer or an electronic thermometer can be used. The Kelvin scale is typically measured using a gas thermometer, which relies on the principles of thermal expansion.
5. Why is it important to understand different temperature scales?
Ans. Understanding different temperature scales is crucial for various reasons. It allows for accurate measurement and comparison of temperatures across different regions, disciplines, and experiments. Additionally, knowledge of temperature scales helps in understanding weather forecasts, cooking instructions, and scientific research that involves temperature-related phenomena.
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