Post on 20-Jan-2016
transcript
Potential vs. Kinetic Energy
Which 2 points represent kinetic energy?
Position X & Position Z
Potential vs. Kinetic Energy
Which 2 points represent potential energy?
Position W and Position Y
Heat Transfer
Which point represents conduction?
A B
C
Point A
radiation?
Point C
convection?
Point B
What is the key word or words to define heat transfer by
conduction?
Touching
What is the key word or words to define heat transfer by radiation?
One direction
What is the key word or words to define heat transfer by
convection?
Hot rises, cold sinks
CCR Man
Label CCR Man with the appropriate heat transfer words.
ConductionConvectionRadiation
Energy Transformations
What type of energy transformation is occurring?
Electrical to heat energy
Energy Transformations
What type of energy transformation is occurring?
Chemical to heat energy
Energy Transformations
What type of energy transformation is occurring?
Chemical to sound energy
Greatest Potential or Greatest Kinetic?
Greatest Potential
Greatest Potential or Greatest Kinetic?
Greatest Kinetic
Heat Transfer
Heat Transfer
Why does heat travel from something hot to something cold?
Temperatures are attempting to be equal, balanced.
Hot Cold Same temperature
What does the Law of Conservation of Energy state?
Energy can not be created or destroyed.
AB
Which picture demonstrates the energy transfer from radiant to
chemical to light?
RadiantChemicalLight
Do you want the handle to be a good conductor or a good
insulator?
When grabbing a hot fry pan, we want the handle to be made of a good
insulator. Insulators have low thermal conductivity.
Which picture shows chemical energy being transformed into kinetic (mechanical) energy?
A B
A car moving represents the transformation of chemical
energy to kinetic (mechanical) energy.
A
Which picture shows stored potential energy?
A B
A
A ball on a hill shows stored potential energy.
Which picture shows the energy transformation of
radiantmechanicalelectrical?
A
B
B
A windmill transforms radiant energy into mechanical and, ultimately,
electrical energy.