Heat Transfer
Conduction, Convection, Radiation, and Energy
Temperature
Emit, Absorb, Expand, Contract
Random
100

Which material is a good thermal conductor? 

metal

100
Which type of heat transfer happens when two objects are touching?
conduction
100
What unit do we use to measure temperature?
degrees celcius/centigrade
100
When an object receives thermal energy, it is _____________ thermal energy. (emitting, absorbing, expanding, or contracting)
absorbing
100

When temperature increases, the speed of the particles....

increases

200
Heat always flows from _______ to _______.
Hot to cold
200
Which type of heat transfer involves moving fluids?
convection
200
What tool is used to measure temperature?
A thermometer
200
When an object gives thermal energy, it is _____________ thermal energy. (emitting, absorbing, expanding, or contracting)
emitting
300

What is the coldest possible Temperature? 

Absolute 0, 0 degrees K

300
Which type of heat transfer involoves light?
radiation
300
Convert 25 degrees C to F. 

77 degrees F

300
When the temperature of an object increases, it usually ________________. (emits, absorbs, expands, contracts)
expands
400
Heat transfer will not happen if two objects are the same ____________.
temperature
400

What state of matter has the greatest amount of energy

Gas

400

Convert -40 degrees C to F.  

-40 Degrees F.

400
When the temperature of an object decreases, it usually ________________. (emits, absorbs, expands, contracts)
contracts
400

What does specific heat capactity measure?

How much energy is needed to raise the temperature of one gram of a substance by one degree celcius.

500
What are the three types of heat transfer?
conduction, convection, and radiation
500

Which type of heat transfer comes from the sun?

radiation

500

What does temperature measure in atoms?

How fast they are moving back-and-forth (vibrating)

500
Fill in the blanks: "____________" means it gets smaller and "____________" means it get bigger. (emit, absorb, expand, contract)
contract, expand