Question | Answer |
distance measures from the rest position of the medium. | amplitude |
the length from the tallest point of a wave to the next tallest point of a wave | wavelenth |
the amount it takes waves to pass a point | frequency |
as frequency_____ wavelength ______ | increases; decreases |
as amplitude _______, the ______increases as well | increases; energy |
all mechanical waves need matter or a ______ to carry energy on | medium |
the matter moves back and forth as _____ and rarefractions | compressions |
_______ are compression waves | sound waves |
sound waves travel faster in_____ | solids |
transverse waves look like____ | ocean waves |
the matter moves up and down, left and righ, and at _______ to the motion of the waves | right angles |
wight light is a mix of all _____ of the rainbow. | colors |
wight light contains of all ______ of visible light | wavelenght |
the order of the light spectrum is ___, ___, ___, ___, ___, ___, ___. | Red Orange Yellow Green Blue Indigo Violet |
we see colors due to the fact that a wavelenght has been _____ and the other wavelenths have been ____ | reflected; observed |
a prisim works by bending light which is called ____ | refraction |
current is measured in _____ by an _____ | amps; ammeter |
as electricity flow, electrical energy is transformed into ______ and _______ energy | thermal; light |
a series curcuit has ____ path for electricity to ___ | 1; flow |
if you remove 1 bulb in a series curcuit what happens | the lights do not work |
parallel curcuit has ____ paths for a curcuit to ____ | many ; flow |
if you remove 1 bulb in a parallel curcuit what happens | the curcuit still works |
flowing electricity can produce a _____ _____ which will affect a _____ if placed next to the wire | magnetic feild; magnet |
a genorator uses motion (kinetic, mechanical energy)to produce ______ energy | electrical |
An electric motor uses _____ energy to produce (kinetic, mechanical energy) | electric |
a magnet is strongest at the ___ | poles |
a magnetic feild extends in all ____ | directions |
when oppisite poles of a magnet are put together they will _____ | attract |
when like poles of a magnet are put together they will ____ | repel |
two ways to increase the strength of an electromagnet | 1. more coils around the nail 2. increase the battery or increase the current flowing through a curcuit |