What is the variable for change in Mass in the Heat Equation?
J
M
Cp
T
Which will most likely occur when raw egg is placed on black pavement on a hot, summer day?
The egg will absorb the heat and leave the pavement hotter
The egg will reflect the heat and make the pavement hotter.
The pavement will absorb the heat from the egg.
The pavement will conduct the heat and cook the egg.
Which is energy in motion?
Kinetic energy
Potential energy
A high specific heat means...
It heats up quickly with energy added
It requires more energy to change temperature
The amount of energy required to raise the temperature 1ºC for every gram is called____?
Thermal Energy
Temperature
Specific Heat
Kinetic Energy
How does heat flow?
Always from warm to cold
Always from cold to warm
It depends on the temperature
Both warm to cold & cold to warm
When barium hydroxide and ammonium chloride react, the temperature of the mixture decreases. What kind of reaction is this?
Decomposition
Endothermic
Indothermic
Exothermic
What term is given to a reaction which transfers heat energy to the surroundings?
Reversible
Reversible
Endothermic
Exothermic
Warm air is __________ dense than cold air and rises creating convection currents.
less
more
The amount of energy required to raise the temperature 1ºC is called____?
Thermal Energy
Heat Capacity
Specific Heat
Temperature
What would be the effect on the particles if more heat is supplied to the system?
They would slow down
There would be no effect
They would speed up
They would stop moving
Which describes what can happen as a result of radiation?
A shirt is hot after having been ironed.
A can of soup is heated in a pot on a stove.
A car’s inside temperature rises to over 100 degrees.
A piece of wood burns in a fire.
_________ is the ability to do work
Force
Energy
Strength
Power
What is the variable for energy in the Heat Equation?
J
Q
T
Cp
The heat from a lamp allows a lizard to remain warm. This is an example of which type of heat transfer?
convection
insulation
conduction
radiation
When calcium reacts with water, the temperature changes from 18°C to 39°C. Which statement is correct?
The reaction is reversible
The solution at the end is acidic
The reaction is endothermic
The reaction is exothermic
Another word for "thermal energy" is ________________
Heat energy
Electrical energy
Light energy
Solar energy
What is the variable for change in Temperature in the Heat Equation?
Q
Cp
T
J
How is heat transferred when boiling a pot of water on the stove?
convection
combustion
conduction
radiation