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