science 6 Flashcards
what is energy
a property of matter
what are the states of matter
gas, liquid, solid
what is matter
anything that has mass and takes up space
name examples of good conductors
sliver, gold, copper
example of heat transfer
heat flows from the warm hands into the ice.
what is radiation
is the transfer of heat
whats a insulator
an insulator does not transfer heat
what are electromagnetic waves
electromagnetic waves are a transverse wave
meaning of energy source
energy source is any substance that can produce heat, light, or electricity;
meaning of energy user
an entity, system, or process that consumes energy to perform work
meaning of conductor
a material that allows electricity or heat to flow through it easily
meaning of current
the flow of electric charge,
meaning of ammprese
the SI base unit of electric current,
meaning of ammeter
an instrument used to measure the electric current,
meaning of voltage
the difference in electric potential between two points in a circuit
.
meaning of volts
the ‘pressure’ that pushes electric charge (electrons) through a circuit, enabling them to do work.
meaning of resistance
a measure of how much a material opposes the flow of electric current