A circuit that is open is ____________

When light goes through eye glasses it is ______________

Type of force that pulls things down to Earth

Light travels in a ____________ line

A circuit in which one light bulb can turn off and the others stay on

Force that resists or works against motion

When light bounces off of an object

When doing an experiment on force, the part of the investigation that changes

An object that refracts light

The energy of things in motion

A circuit in where if one light bulb goes out, all the light bulbs go out

A type of material that blocks the flow of energy of energy

With magnets, opposites sides _________