Energy Transfer
Conduction, Convection, and Radiation
Miscellaneous
Heat, Temperature, and Thermal Energy
Behavior of gases
100
Feeling the warmth of the Sun on your face.
Radiation
100
What is conduction?
A fluid expands, becomes less dense, and rises or becomes more dense and sinks creating currrents
100
A thermometer works because liquids ________ when heated.
expand
100
What is the average kinetic energy of the particles that make up a material?
Temperature
100
At a constant pressure, if the pressure of a gas increases, what happens to the volume?
decreases
200
Touching a hot fire poker.
Conduction
200
What is radiation?
When heat is transferred from objects like rays of light.
200
Water freezes at ________ degrees Celcsus and boils at ________ degrees Celsius.
0 and 100
200
Heat is transferred from and object with ________ temperature to an object with _________ temperature.
warmer to cooler
200
As the volume of a gas decreases, the pressure of the gas will __________ if the temperature remains the same.
Increase
300
The pavement heats up on a summer day.
Radiation
300
What is Conduction?
When heat transfers between objects that are touching.
300
Which of these materials is the best insulator. a. Glass b. Air c. Metal
Air
300
The energy transferred between objects due to a difference in temperature is called ____________.
Heat
300
Which law states that at constant temperature, as the pressure increases, the volume decreases.
Boyle's Law
400
When an object is cooled, it's molecules slow down and move closer together, causing the object to _________.
shrink or contract
400
What is an insulator?
A material through which thermal energy does not flow easily.
400
Heat will stop when equilibrium is reached?
True or False
True
400
What is the total amount of energy an object has from the movement of particles?
Transfer
400
Which law states that at constant pressure, as the temperature increases the volume increases.
Charle's Law
500
Convection currents in a liquid are created when warmer water near the bottom _________ and becomes _______ causing it to rise; and colder water near the surface _________ and becomes denser causing it to _____________.
expands, less dense, contracts, sink
500
In conduction, heat moves from areas that are ____________ to areas that are ___________. a. hotter, colder b. colder, hotter
Hotter, Cooler
500
In the Kelvin temperature scale, 0K is the lowest temperature that an object can have. This is known as _____________.
Absolute 0
500
Heat transfer that happens through movement when something warms and cools.
Convection
500
This graph is an example of two variables that are:
Inversely proportional or directly proportional
Inversely Proportional