A blacksmith strikes a piece of metal with a hammer repeatedly. The metal slowly begins to glow as the temperature increases, and the metal becomes more malleable. Which changes on a microscopic level led to the visible changes in the properties of the metal? (1 point)
Responses
The potential energy of the particles decreased.
The potential energy of the particles decreased.
The kinetic energy of the particles decreased.
The kinetic energy of the particles decreased.
The average speed of the particles increased.
The average speed of the particles increased.
The individual temperature of the particles increased.
The individual temperature of the particles increased.
Which statement best describes heat?(1 point)
Responses
Heat flows from cold to hot and is the transfer of thermal energy.
Heat flows from cold to hot and is the transfer of thermal energy.
Heat flows from cold to hot and is a form of thermal energy.
Heat flows from cold to hot and is a form of thermal energy.
Heat flows from hot to cold and is a form of thermal energy.
Heat flows from hot to cold and is a form of thermal energy.
Heat flows from hot to cold and is the transfer of thermal energy.
Heat flows from hot to cold and is the transfer of thermal energy.
Heat flows from hot to cold and is the transfer of thermal energy.
What is thermal energy?(1 point)
Responses
the distance between particles and their freedom to move around
the distance between particles and their freedom to move around
the measurement of energy in an object due to position, conduction, or chemical composition
the measurement of energy in an object due to position, conduction, or chemical composition
the total kinetic energy of all particles in a substance
the total kinetic energy of all particles in a substance
a material that is a conductor of heat
The total kinetic energy of all particles in a substance.
Which option is a measure of the average kinetic energy of the particles in a substance?(1 point)
Responses
thermal energy
thermal energy
phase
phase
heat
heat
temperature