Thermal Energy Transfer
Thermal Energy
Thermal Energy vs Temperature
Conductor vs Insulator
Misc.
100
What is transfer of energy through direct contact
Conduction
100
Energy produced by the molecular motion of matter is called what?
Thermal (heat) Energy
100
What is the measure the AVERAGE kinetic energy of a group of particles?
Temperature
100
Which would be the best at transferring thermal energy?
A. Wooden Spoon
B. Styrofoam Cup
C. Metal Baking Pan
C. Metal Baking Pan
100
Room temperature soda cans are placed in a cooler and taken to a football game. How does the thermal energy move?
From the warm soda to the ice
200
What is transfer of energy through waves?
Radiation
200
Which pie has more thermal energy?
Pie 2
200
What is a measure of the TOTAL kinetic energy?
Thermal Energy
200
What is an object that transfers heat and electricity?
Conductor
200
The molecules of which of the following would have the most kinetic energy?
A. Ice Cube
B. Warm Tea
C. Boiling Water
C. Boiling Water
300
What is the transfer of energy through a medium such as a liquid or a gas?
Convection
300
Assuming room temperature is greater than temperature of a cup of ice water; True or False?
Heat flows from the ice cubes into the water.
False
300
Thermal energy and temperature both relate to the amount of __________ energy of moving particles of matter.
Kinetic
300
An object that keeps heat and electricity from transferring is called a(n) what?
Insulator
300
Assuming room temperature is greater than temperature of a cup of ice water; True or False?
Heat flows from the water into the ice cubes.
True
400
Roasting a marshmallow over boiling water is an example of what?
Convection
400
Assuming room temperature is greater than temperature of a cup of ice water; True or False?
Heat flows from the air in the room into the cup.
True
400
Which choice has the LEAST thermal energy?
A. all the water in Earth's oceans
B. a cup of hot cocoa
C. bathtub of warm water
B. a cup of hot cocoa
400
Metals are good what?
Conductors!
400
If you drop red hot metal into a pool of room temperature oil, explain the heat transfer between the two objects.
Heat flows from the metal into the oil.
500
Roasting a marshmallow over a fire is an example of what?
Radiation
500
What 2 things determine the amount of thermal energy something has?
Mass and Temperature
500
As the temperature of air increases, what happens to the speed of its molecules?
Their speed will increase because the particles have more kinetic energy.
500
Gases such as air and materials such as plastic and wood are what?
Thermal Insulators
500
The transfer of energy between systems is called what?
Heat