Kinetic Energy
What is kinetic energy?
Energy of motion
What is potential energy?
What is thermal energy?
The TOTAL amount of kinetic energy in all the particles of an object
True/False: Temperature and Thermal Energy are the same thing
False
What two factors affect kinetic energy?
Mass and Volocity
What are the three types of potential energy?
Gravitational, elastic, chemical
What are the three types of heat transfer?
Conduction, convection, radiation
Heat transfers from ________________ to ______________.
hot to cold
What points does this ball have kinetic energy?
2,3,4
Which skier has more potential energy if they have the same mass?
the one at the higher height
The inside of the greenhouse is what type of Heat Transfer?
convection
If these animals are running at the same velocity, which has more kinetic energy? Why?
Cat, because it has more mass
Using the kinetic energy formula, find the KE for a cheetah that is 30kg running at 80 mph.
96,000 J
What points does this ball have potential energy?
1,5
Which has more thermal energy, a coffee cup at 85 degrees C or an iceberg at 10 degrees C
The iceberg because it is larger
What is energy?
the ability to do work
Which has more KE? A snake that is 4 kg chasing a mouse at 15 mph, or the mouse at 0.5 kg running away from the snake at 20mph?
the snake (450J vs 100J)
What type of potential energy did we learn the formula for?
gravitational PE
Explain the difference between temperature and thermal energy
Thermal energy is the total amount of KE in all the particles in an object. Temperature is the average amount of KE in an object
Name all three units used for temperature
Celcius, Fahrenheit, Kelvin