Thermo
Conduction, convection, radiation
Ohmsssss
Currents and Circuits
Vocab
100
The study of thermal energy
Thermodynamics
100
Besides heat, what other two things are needed for a fire to ignite?
oxygen and fuel
100
Electrostatic energy and sometimes called this
static electricity
100
A device that uses electrical charge
a load
100
This is the region around a magnet that produces a magnetic force
magnetic field
200
The second law of Thermodynamics states that the universe is always becoming less and less this...
ordered
200
The measurement of how active the molecules are in a substance is called what?
Temperature
200
What is the charge of electrons?
-
200
What is electricity?
Flowing electrons
200
These are tiny areas over a magnet that work as individual magnets
magnetic domains
300
According to the 2nd law, how is heat transferred?
Heat moves from hot to cold
300
How is radiant heat transferred?
By electromagnetic radiation
300
This is a protective shield against the flow of electrons
insulator
300
Circuit?
Parallel
300
What is this used to measure in physics?
Temperature
400
The first law of thermodynamic energy and matter can never be _____ or ______
created, destroyed
400
Heat that is transferred by warmer fluids moving to cooler regions is called this
convection
400
A light bulb requires 60V to function properly. If it is connected to a power supply of 120 A and functions properly, then what is the resistance of the light bulb?
0.5 ohms
400
This device is used to open or close a circuit
a switch
400
the transfer of kinetic energy from one medium or object to another
Heat
500
What particles are transferred in electricity and what is their charge?
electrons (-)
500
Heat is transferred this way when the heat source and heat sink are connected through matter (direct contact)
Conduction
500
If each resistor has a value of 2Ω, how much current is flowing through the circuit?
24A
500
This circuit has more than one resistor, and the electricity takes one path through the resistors.
a series circuit
500
average kinetic energy of molecules in a substance
thermal energy