Thermometer Definition
A thermometer measures a substance's temperature by its particles' speed. For example, it indicates how hot or cold water is.
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Intro to Thermal Energy
Fun Facts
- A thermometer measures an average temperature because the particles within a substance do not all move at exactly the same speed.
- A thermometer shows that the temperature of ice is 0 degrees Celsius, the temperature of steam is 100 degrees Celsius, and the temperature of liquid water is in between.
- A surface thermometer uses an infrared or liquid crystal strip.
Why Do We Need To Know About Thermometer
Learning about thermal energy helps you understand how heat changes things and why thermometers are important in many areas. For example, in cooking, knowing the right temperature makes sure food is safe and tastes good. This is important for baking cookies or heating food in microwaves.
Thermometers are also key in different jobs like environmental engineering, the military, and healthcare. They help in making fake snow, heating ready-to-eat meals, or using cold packs in sports. So, measuring and managing heat is useful in lots of careers and everyday life.
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