a lever that opens or closes an electrical circuit
switch
electricity that flows through a circuit
electrical current
the path electricity flows through
circuit
a source of electricity
cell
how loud or soft a sound is
volume
how high or low a sound is
pitch
to move back and forth quickly
vibrate
the bending of light through matter
refract
the bouncing of light off a surface
reflect
an object that lets ALL light pass through
transparent
an object that lets SOME light pass through
translucent
an object that lets No light pass through
opaque
a material that heat doesn’t transfer through easily
insulator
a material that heat travels through easily
conductor
the unit of measurement for temperature
degree
how hot or cold something is
temperature
