_________ is the ability to do work
Energy
Strength
Force
Power
Which is energy in motion?
Kinetic energy
Potential energy
Another word for "thermal energy" is ________________
Heat energy
Electrical energy
Solar energy
Light energy
The heat from a lamp allows a lizard to remain warm. This is an example of which type of heat transfer?
radiation
insulation
convection
conduction
Which will most likely occur when raw egg is placed on black pavement on a hot, summer day?
The pavement will absorb the heat from the egg.
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 conduct the heat and cook the egg.
Which describes what can happen as a result of radiation?
A car’s inside temperature rises to over 100 degrees.
A shirt is hot after having been ironed.
A can of soup is heated in a pot on a stove.
A piece of wood burns in a fire.
How is heat transferred when boiling a pot of water on the stove?
convection
conduction
combustion
radiation
Warm air is __________ dense than cold air and rises creating convection currents.
less
more
What term is given to a reaction which transfers heat energy to the surroundings?
Endothermic
Exothermic
Reversible
Reversible
When barium hydroxide and ammonium chloride react, the temperature of the mixture decreases. What kind of reaction is this?
Endothermic
Decomposition
Indothermic
Exothermic
When calcium reacts with water, the temperature changes from 18°C to 39°C. Which statement is correct?
The reaction is reversible
The reaction is endothermic
The reaction is exothermic
The solution at the end is acidic
What is the variable for energy in the Heat Equation?
Cp
T
Q
J
What is the variable for change in Temperature in the Heat Equation?
J
Q
T
Cp
What is the variable for change in Mass in the Heat Equation?
T
Cp
J
M
A high specific heat means...
It requires more energy to change temperature
It heats up quickly with energy added
