Temperature And Heat Flashcards
What is temperature a measure of?
Temperature is a measure of the average kinetic energy of the particles in a substance.
True or False: Heat and temperature are the same thing.
False.
Fill in the blank: The unit of temperature in the SI system is ______.
Kelvin.
What is the freezing point of water in Celsius?
0 degrees Celsius.
What is the boiling point of water in Fahrenheit?
212 degrees Fahrenheit.
True or False: Absolute zero is 0 Kelvin.
True.
What does a thermometer measure?
A thermometer measures temperature.
What is the term for the transfer of thermal energy?
Heat.
Multiple choice: Which of the following is a good conductor of heat? A) Wood B) Metal C) Plastic
B) Metal.
What is the specific heat capacity?
Specific heat capacity is the amount of heat required to raise the temperature of one kilogram of a substance by one degree Celsius.
Fill in the blank: The process of heat transfer through direct contact is called ______.
Conduction.
What is convection?
Convection is the transfer of heat through the movement of fluids (liquids or gases).
True or False: Radiation requires a medium to transfer heat.
False.
What is the Kelvin equivalent of 25 degrees Celsius?
298.15 Kelvin.
Multiple choice: Which scale is commonly used in scientific contexts? A) Celsius B) Fahrenheit C) Kelvin
C) Kelvin.
What is thermal equilibrium?
Thermal equilibrium is the state in which two objects in contact with each other reach the same temperature.
Fill in the blank: The transfer of heat through electromagnetic waves is called ______.
Radiation.
What is latent heat?
Latent heat is the heat required to change the state of a substance without changing its temperature.
True or False: A substance that requires a high amount of heat to change its temperature has a high specific heat capacity.
True.
What is the term for the temperature at which a substance changes from solid to liquid?
Melting point.
What is the term for the temperature at which a substance changes from liquid to gas?
Boiling point.
Multiple choice: Which of the following is an example of conduction? A) Sun warming the Earth B) Ice melting in a drink C) A metal spoon heating in a pot of soup
C) A metal spoon heating in a pot of soup.
What factor affects the rate of heat transfer?
The temperature difference between objects.
Fill in the blank: The law stating that heat flows from a hotter object to a colder object is known as the ______.
Second law of thermodynamics.
