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Module Objectives
Module Objectives
1) Describe the difference between heat and temperature
2) Explain the different types of heat transfer
3) Determine the factors that affect both heat and temperature
4) Analyze how mass and state of matter affect heat transfer
Thermal Energy (heat) is the energy within an object related to how quickly its atoms are moving
Thermal Energy (heat) is the energy within an object related to how quickly its atoms are moving
The faster the atoms are moving, the hotter the object.
The faster the atoms are moving, the hotter the object.
When we want to measure thermal energy, we have to measure objects using a thermometer
When we want to measure thermal energy, we have to measure objects using a thermometer
Thermometers measure temperature, the average measure of how quickly the atoms inside an object move (because not all of the atoms are moving at the same speed
Thermometers measure temperature, the average measure of how quickly the atoms inside an object move (because not all of the atoms are moving at the same speed
Thermal energy depends on the amount of matter inside an object (mass)
Thermal energy depends on the amount of matter inside an object (mass)
A big pot of water will take more time to heat up than a small cup of water because there are more atoms of water inside the big pot
A big pot of water will take more time to heat up than a small cup of water because there are more atoms of water inside the big pot
When the water inside both the small cup and big pot is boiling (100 °C), the big pot of water will have more thermal energy because there are more atoms of water inside the big pot
When the water inside both the small cup and big pot is boiling (100 °C), the big pot of water will have more thermal energy because there are more atoms of water inside the big pot
Temperature is just a measurement, but both heat and temperature are related to the mass of the object
Temperature is just a measurement, but both heat and temperature are related to the mass of the object
Thermal energy (heat) can be transferred from object to object
Thermal energy (heat) can be transferred from object to object
Heat is always transferred from hot objects to cold objects. This transfer will keep going until the atoms reach the same temperature (equilibrium)
Heat is always transferred from hot objects to cold objects. This transfer will keep going until the atoms reach the same temperature (equilibrium)
Types of Heat Transfer
Types of Heat Transfer
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