Thermal Energy
What is Thermal Energy?
The kinetic energy of a substances atom
What slows down the transfer of energy?
An insulator.
What is Kinetic Energy?
Energy that a body possesses by virtue of being in motion.
What is Potential Energy?
The energy of an object due to its position?
_______ is thermal energy from a warmer object to a cooler object?
Heat.
How is thermal energy transferred?
From collisions in molecules in an object.
What are the two types of energy that occurs when snow is melting.
Conduction and Radiation.
Does a car battery store kinetic energy?
NO
The higher up an object is, the higher its _________.
Potential Energy
What are the 3 ways heat is transferred?
Conduction, Convention, and Radiation
How is thermal energy related to kinetic energy
Thermal Energy is the Kinetic energy of a substances atoms.
What is the transfer of energy through electromagnetic waves.
Radiation.
True or false: bowling uses kinetic energy.
True
True or false: a ball on the ground has more potential energy than a ball on a hill.
False.
Soup warming up on the stove is an example of what kind of heat transfer?
Convection.
When an object is heated, what happens to the molecules?
They speed up.
What is an insulator?
A substance that does not let heat or sound to go through it, or a substance that does not conduct electricity.
True or false: watching TV uses kinetic energy.
False
The more ______ something has the more potential energy it has.
Mass
The tip of an iron poker sitting in a fire is an example of what type of heat transfer?
Conduction.
Which has more thermal energy, an iceberg or a cup of coffee?
An iceberg because it has more particles.
What is a material that easily transfers thermal energy?
A conductor
Sam is Standing in line. Does or does he not have kinetic energy?
He does not.
Jeffrey is on top of a rock. Does or does he not have potential energy?
Yes he does.
Heat lamps hanging above you in a restaurant is an example of what type of heat transfer?
Radiation.