Temperature, Thermal Energy and Heat
On this scale, water boils at 100 degrees.
Celsius
Describe what is conduction
Heat is transferred directly from one particle of matter to another.
Materials, like metals, that are good conductors of heat are called?
Conductors
Particles in an atom that have charge
Protons and neutrons
Complete: All electrical devices contain ________
Electrical circuits
On this scale, water boils at 212 degrees.
Fahrenheit
Describe convection
Heat that is transferred by the movement of currents within a fluid (liquid or gas).
Materials, like wood, that have difficulty when conducting heat are called?
Insulators
The force between charged objects
The unit used for the current rate
Ampere
The temperature that is the lowest possible, or 0 K.
Absolute zero
Describe radiation
The transfer of energy by electromagnetic waves.
Describe thermal expansion
The expanding of matter when it is heated
Type of electricity where charges build up on an object
Static electricity
Difference in electrical potential energy per charge between two points in a circuit.
Voltage
The transfer of thermal energy from a warmer object to a cooler one.
Heat
A circular flow of warmer fluid and cooler fluid is called?
Convection current
A door sticking to a frame, or train rails sticking together, are examples of?
Thermal expansion
4 Methods to redistribute charge
Friction, conduction, polarization, induction
Measure of how difficult it is for charges to flow through an object.
Resistance
A measure of the average kinetic energy of the individual particles in an object.
Temperature
Complete: Heat is always transferred from _______areas to _________ areas.
Warm areas to cool areas
The amount of energy required to raise 1 kg of material by 1 kelvin (like 100°C to boil water)
Specific heat
A region around a charged object where the object’s electric force is exerted on other charged objects
Electric field
4 factors to determine the resistance of a wire:
Diameter, Lenght, Material, Temperature.