Definitions
Temperature Vs. Heat
Heat Transfer
Conduction, Convection, or Radiation?
Temperature Conversions
100
An instrument that measures and indicates temperature
What is a thermometer?
100
Temperature (in our science course) is measured in...
What is degrees Celsius?
100
The three types of heat transfer
What is conduction, convection, and radiation?
100
Microwave ovens heat food by________.
What is radiation?
100
The average human body temperature is 98.6 degrees F. What is the equivalent temperature on the Celsius scale?
What is 32 degrees Celsius?
200
The transfer of energy as heat through a material
What is (thermal) conduction?
200
Heat is measured in..
What is Joules
200
Heat will always be transferred from something with a _____________ temperature to something with a ________________ temperature.
What is higher; lower?
200
Butter melting on a bread roll is _____________.
What is conduction?
200
The boiling point of water is 100° Celsius. What is this value on the Fahrenheit scale?
What is 212° Fahrenheit?
300
The energy transferred as electromagnetic waves, such as visible light and infrared waves
What is radiation?
300
The measure of the average kinetic energy of the particles in an object.
What is temperature?
300
A material through which energy can be easily transferred as heat
What is a conductor?
300
When you heat water on the stove, heat is passed to all the water molecules by_________ currents.
What is convection?
300
Liquid oxygen boils at normal pressure at -182.96 °C. What is this temperature in Kelvin?
What is 90.04K?
400
The movement of matter (usually gases and liquids) due to differences in density that are caused by temperature variations
What is convection?
400
The quantity of hotness (thermal energy) is referred to as
What is heat?
400
A material that transfers energy poorly
What is an insulator?
400
What would happen if you were holding an iron rod in a flame for an extended period of time and why?
What is the whole iron rod would heat up (and eventually burn your hand) due to conduction?
400
In many ideal gas problems, room temperature is considered to be at 300 K to make calculations easier. What is this temperature in Celsius?
What is 27 degrees Celsius?
500
Any movement of matter that results from differences in density, such as a heating/cooling system
What is a convection current?
500
Which of the following has more heat: a 8 oz glass of hot coca at 90 degrees Celsius or a 16oz glass of hot coca at 90 degrees Celsius? Why?
What is 16oz glass because it has more moving particles; more heat transfer?
500
How is the structure of a conductor different from that of an insulator? How does is structure compare to its function?
What is a conductor is more than likely a solid because the particles are packed together and allow for an easier energy (thermal) transfer; an insulator is usually made up of a liquid or gas because of the increased distance of the particles, making them less likely to collide, therefore, transfer thermal energy.
500
If you are getting an apartment building during the hot summer months, would you rather be on the 1st or 2nd floor (financially/logistically speaking)? Why?
What is 1st floor because warm air rises due to convection. Therefore, you would have to run your air conditioner more, costing more money.
500
A scientist is trying to bake a cake for her friend's birthday. A recipe calls for baking a cake at 400°F. Express this temperature in Kelvin so the scientist can understand what temperature she needs to use.
What is 477.44K?
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