air
asphalt
ceramic
dry cotton
fiberglass
glass
oil
dry paper
plastic
porcelain
pure water
quartz
dry wood
- Electrical energy comes from electrical currents.
- Solar energy comes from the Sun's heat.
- Chemical energy is a result of combining two or more substances.
- Wind energy comes from windmills and turbines.
- Hydroelectric energy comes from rivers, lakes, and other water sources.
aluminum
brass
bronze
copper
concrete
gold
graphite
iron
mercury
silver
steel
impure water
two surfaces rubbed together or pulled apart that create a buildup of positive and negative charges
a flow of electricity through a conductor
electric potential difference expressed in volts
the forces that work against the flow of electron currents in a conductor
an electric current that flows through a closed path
an insulated wire wrapped around a magnet containing an iron core, which produces a current that magnetizes the core
a flow of electric charge that frequently reverses its direction
a device used to change electric energy from one circuit to another
a group of atoms that are aligned and are pointing in the same direction
the section at each end of a magnet where the magnetic field is the strongest
a closed circuit where the current can divide into two or more paths
a device that changes mechanical energy to electrical energy
materials that prevent or reduce electrical charges
materials that allow electrical charges to flow through
the space around magnets where a magnetic force can be found
energy that comes from the flow of electrons
Science: Electricity and Magnetism - Flashcards
Use the flashcards to help you memorize the following terms and definitions. Then try the worksheets shown on the Science Homepage. Once you are ready to quiz yourself, click the Quiz link.