Class 7 Exam > Class 7 Videos > Science Class 7 > Why can't Laboratory thermometer be used to measure body Temperature?
Why can't Laboratory thermometer be used to measure body Temperature? Video Lecture | Science Class 7
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FAQs on Why can't Laboratory thermometer be used to measure body Temperature? Video Lecture - Science Class 7
| 1. Why can't a laboratory thermometer be used to measure body temperature? |  |
Ans. A laboratory thermometer cannot be used to measure body temperature because it is designed to measure high temperatures, typically used in scientific experiments. These thermometers have a higher temperature range compared to a body thermometer, which is specifically designed to measure the temperature of the human body.
| 2. What is the temperature range of a laboratory thermometer? | |
Ans. The temperature range of a laboratory thermometer is usually much higher than that of a body thermometer. It can measure temperatures ranging from -10°C to 110°C or even higher, depending on the specific thermometer. This wide range allows it to be used in various scientific experiments and processes.
| 3. What is the temperature range of a body thermometer? | |
Ans. A body thermometer is designed to measure the temperature of the human body accurately. It typically has a temperature range between 35°C to 42°C. This range covers the normal body temperature of a healthy individual and allows for accurate readings for medical purposes.
| 4. What are the differences between a laboratory thermometer and a body thermometer? | |
Ans. The main differences between a laboratory thermometer and a body thermometer are:
- Temperature range: A laboratory thermometer has a wider temperature range, while a body thermometer has a specific range suitable for measuring human body temperature.
- Design: A laboratory thermometer is usually longer and has a larger bulb, while a body thermometer is compact and designed for ease of use.
- Application: A laboratory thermometer is used in scientific experiments, while a body thermometer is used for medical purposes to monitor body temperature.
| 5. Can a laboratory thermometer be used in medical settings? | |
Ans. No, a laboratory thermometer should not be used in medical settings. It is not designed to accurately measure human body temperature and may give incorrect readings. Using a laboratory thermometer in a medical setting can lead to inaccurate diagnosis and treatment. It is essential to use a specifically designed body thermometer for accurate temperature readings in medical settings.
Text Transcript from Video
Topic: Heat.
Why is a laboratory thermometer not used to check body temperature?
You have got fever.
Why don't you check your body temperature using a thermometer?
No.
Please don't use a laboratory thermometer.
You won't be able to get the correct reading.
Why don't you try another one?
This is called a Clinical thermometer.
A clinical thermometer is different from a
laboratory thermometer.
Seems like you have made your choice.
A clinical thermometer has a kink.
When we check our body temperature, the kink present in it prevents the mercury from falling back down.
Thus helping the thermometer to hold the temperature recorded by it and giving us an accurate reading.
Now, in a laboratory thermometer, this kink is absent.
This is because a laboratory thermometer is meant to measures immediate temperature.
Hence, after recording our body temperature, until we check it.
The mercury will fall, thus not giving us an accurate reading.
Why is a laboratory thermometer not used to check body temperature?
You have got fever.
Why don't you check your body temperature using a thermometer?
No.
Please don't use a laboratory thermometer.
You won't be able to get the correct reading.
Why don't you try another one?
This is called a Clinical thermometer.
A clinical thermometer is different from a
laboratory thermometer.
Seems like you have made your choice.
A clinical thermometer has a kink.
When we check our body temperature, the kink present in it prevents the mercury from falling back down.
Thus helping the thermometer to hold the temperature recorded by it and giving us an accurate reading.
Now, in a laboratory thermometer, this kink is absent.
This is because a laboratory thermometer is meant to measures immediate temperature.
Hence, after recording our body temperature, until we check it.
The mercury will fall, thus not giving us an accurate reading.
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Dec 26, 2024 Last updated |
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