PS1a. how to design and build simple series and parallel
circuits by using components such as wires, batteries,
PS1b. how to build a simple compass and use it to detect magnetic effects, including Earth’s magnetic field.
PS1c. electric currents produce magnetic fields and know how
to build a simple electromagnet.
PS1d. the role of electromagnets in the construction of electric
motors, electric generators, and simple devices, such as
doorbells and earphones.
PS1e. electrically charged objects attract or repel each other.
PS1f. that magnets have two poles (north and south) and that
like poles repel each other while unlike poles attract
PS1g. electrical energy can be converted to heat, light, and