chapter 10
atoms
all material are made up of from tiny particles called?
volts (V)
voltage is measured in?
James Joule
who was a Englishman and did the most to clarify early thinking about energy ?
nuclei
energy is released from nuclear material when what splits?
amps
The flow of electrons produces electrical current. Current is measured in?
Voltmeter
how do you measure a voltage?
push or pull
what are two ways of force?
hotter, colder
heat energy moves from ____ objects to _____ objects?
variable resistors
what are made from materials which are moderate conductors of electricity?
cell
A single round, 1.5V battery is more correctly called a?
work
what is done when an object moves, electricity flows or an object is heated?
conduction, convection, and radiation
heat energy is transferred by what three processes?
volts/amps
Equation for resistance is?
watts (W)
Power is the rate at which energy is transferred. It is measured in?
kinetic energy
what is the energy of motion?
solar power
what can directly produce electricity using photoelectric cells ?
There are important differences between a circuit with two bulbs in parallel and a circuit with two bulbs in series.
true or false
amps, volts
_____ x ______ = watts
chemical energy
what is the energy associated with food and fuels?
spilts
energy is released when a uranium atom does what?