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111 questions
Heat moves by ______ when it travels by waves and doesn't require matter.
radiation
conduction
insulator
convection
To measure the temperature difference between two cups of water, you would use a _____.
calorimeter
ruler
thermometer
balance scale
Specific heat of water is 4,184 J/kg°C. Specific heat of wood is 1,760 J/kg°C What material needs more heat energy to raise the temperature?
Water
Wood
Both are same
Which of the following is an example of convection?
Touching a hot hair dryer
Laying down on a cold floor.
When smoke rises from a fire.
When you are making noodles and the water is boiling
Specific heat capacity is related to the amount of heat...
a specific object has
one molecule contains
transferred by one molecule
needed to change the temperature of 1 kilogram of a substance by 1 degree
What is temperature?
The measure of coldness
The measure of the kinetic energy or movement of atoms.
The space an object takes.
Heat rises.
True
False
In the equation, Q = m (∆T) C , what does "Q" represent?
Thermal Energy or Heat
Specific Heat
Mass
Change in Temperature
In the equation, Q = m (∆T) C , what does "m" represent?
Thermal Energy or Heat
Specific Heat
Mass
Change in Temperature
In the equation, Q = m (∆T) C , what does "∆T" represent?
Thermal Energy or Heat
Specific Heat
Mass
Change in Temperature
In the equation, Q = m (∆T) C , what does "C" represent?
Thermal Energy or Heat
Specific Heat
Mass
Change in Temperature
In the equation, Q = m (∆T) C , what units are "C" measured in?
Joules
Kilograms
Kelvin or Celcius
J / kg·°C
In the equation, Q = m (∆T) C , what units are "∆T" measured in?
Joules
Kilograms
Kelvin or Celcius
J / kg·°C
In the equation, Q = m (∆T) C , what units are "m" measured in?
Joules
Kilograms
Kelvin or Celcius
J / kg·°C
In the equation, Q = m (∆T) C , what units are "Q" measured in?
Joules
Kilograms
Kelvin or Celcius
J / kg·°C
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