Questions and Answers
Which term refers to the degree of hotness or coldness of a body?
Temperature
Which property of steam was utilized to build steam engines?
Heat
What is the relationship between heat and temperature?
Heat causes an increase in temperature
What is the unit of heat prevalent at the time mentioned in the text?
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What happens when steam escapes out of a kettle's lid?
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Study Notes
Temperature and Heat
- Temperature refers to the degree of hotness or coldness of a body.
- The property of steam utilized to build steam engines is pressure.
- Heat and temperature are related but distinct concepts: heat refers to the energy transferred due to a temperature difference, while temperature is a measure of the average kinetic energy of particles in a substance.
- The unit of heat prevalent at the time mentioned in the text is the calorie.
- When steam escapes out of a kettle's lid, it rapidly expands and cools, resulting in a decrease in temperature and a visible cloud of condensed water vapor.
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