Quarter 3 Benchmark Flashcards
battery
a device containing an electric cell or a series of electric cells storing energy that can be converted to electrical power
circuit
a continuous conducting path for current
chemical energy
a form of potential energy that is stored in chemical bonds
diagram
A labeled drawing that explains or shows the parts of something. Can be a type f model
electric energy
a form of kinetic energy that involves the transfer of change through an electric conductor
schematic
a diagram that represents an electric current using symbols
components
an element or electronic device in an electric current
ammeter
an instrument used to measure electric current in a circuit
amperes
unit of electric current
current
The net movement of electrons through a conductor. Often defined as the net amount of change passing through a conductor at a given point per unit time.
parallel circuit
a circuit in which currents flows in more than one closed path
series circuit
a circuit in which current flows in only one closed path
volts
unit of electrical potential
voltage
essentially a measure of the work associated with moving an electric charge from one point to another
voltmeter
an instrument that measures electrical potential or voltage across a component or components in a circuit
What are some characteristics of wet cell batteries?
batteries, electrolyte-liquid
What are some characteristics of dry cell batteries?
battery, electrolyte-past
What characteristics to wet and dry cell batteries share?
batteries, transfers energy, cell, positive and negative terminals, electrodes and electrolytes
Ohm’s law
the relationship between current, voltage, and resistance is expressed mathematically
Ohm’s Law: What is the formula to find voltage?
V= I x R
Ohm’s Law: What is the formula to find current?
I= V/R
Ohm’s Law: What is the formula for resistance?
R=V/1
kinetic energy
energy associated with moving objects
magnet
a material that has the ability to attract or repel other magnetic materials
electromagnet
a system that uses coil of wire around a conductive metal core (usually iron) to convert electrical energy into magnetic energy
magnetic field
a space or an area in which magnetic forces can be observed
magnetism
a phenomenon associated with magnets
like forces _______.
repel
different forces ________.
attract
north forces have arrows that direct _________.
outward
south forces have arrows that direct _________.
inward
potential energy
stored energy, like the energy in a battery
thermal energy
the energy of molecules in motion
nuclear energy
potential energy stored in the nucleus of an atom
chemical energy
a form of potential energy that is stored in chemical bonds that link atoms
magnetic energy
the energy stored in a material that produces a magnetic field
elastic energy
a form of kinetic energy that involves the transfer of change through an electrical conductor
electrical energy
a form of kinetic energy that involves the transfer of charge through an electrical conductor
electromagnetic energy (solar and light)
consists of the range of waves that make up the entire electromagnetic spectrum
what energys are considered potential energys?
nuclear, chemical, magnetic, and elastic
what energys are considered kinetic energy?
thermal, electric, and electromagnetic
what is the formula for potential energy?
w x h
what is the formula for kinetic energy?
1/2mv squared
