When water is boiling, its temperature remains constant at 100°C (at sea level) even though heat is being continuously added. This is because the energy is being used to change the water from a liquid to a gas, a process ...
Category: Class 6 Science
NCERT Solutions and Important Questions for class 6 Science for CBSE exams 2020-2021.
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The main use of a room thermometer is to measure the temperature of the air in a room or indoor space. It helps in monitoring whether the room is too hot, too cold, or at a comfortable temperature. Room thermometers ...
When using a digital thermometer, it is important to follow a few precautions for accuracy and safety. First, always clean the thermometer before and after use to avoid infections. Ensure that the thermometer is properly calibrated and working correctly. Do ...
You should avoid holding a thermometer by the bulb because it can lead to an inaccurate temperature reading. The heat from your hand can affect the thermometer’s reading, causing it to show a higher temperature than the actual one. Additionally, ...
A thermometer should be held vertically while measuring temperature to ensure an accurate reading. When held upright, the liquid inside the thermometer, such as mercury or alcohol, moves correctly along the scale, providing an accurate temperature measurement. If the thermometer ...
A clinical thermometer is not suitable for measuring the temperature of boiling water. It typically has a limited temperature range, usually from 35°C to 42°C, which is ideal for measuring body temperature. Boiling water has a temperature of 100°C, which ...
A laboratory thermometer is a type of thermometer used to measure a wide range of temperatures, typically from -10°C to 110°C or higher. It is commonly used in scientific experiments, laboratories, and for measuring the temperature of liquids and gases. ...
The Fahrenheit scale is primarily used in the United States and a few other countries to measure temperature. In this scale, 32°F is the freezing point of water, and 212°F is the boiling point. It is commonly used for weather ...
The Celsius scale is commonly used on clinical thermometers to measure body temperature. This scale has 0°C as the freezing point of water and 100°C as the boiling point. The normal body temperature for a healthy person is around 37°C. ...
Mercury thermometers are being replaced by digital thermometers for safety and convenience. Mercury is a toxic substance, and if the thermometer breaks, it can be harmful to health and the environment. Digital thermometers are safer, more accurate, and easier to ...