The amount of energy used as a force moves an object over a distance.
Fxd=?
Work
To unlike poles of a magnet will
attract
Which part of the atom travels for electricity?
Electrons
The low part of a wave.
Trough
The name of the first stage of ALL stars.
Nebula or star nursery
The rate at which work is done.
w/t=?
Power
The part of the magnet that has the strongest pull.
The poles
A buildup of charges on an object that is transferred to another object
Occurs when two surfaces rub against each other.
Static Electricity
The distance between one trough to the next or to one crest to the next.
Wavelength
Eventually our sun will become a _______ _________ before dying off and becoming a white dwarf.
Red giant
A contact force that resists the sliding motion of two surfaces that are touching.
Friction
The direction that magnetic lines are always drawn.
North to south
What does the law of conservation of charge state
That charges can be transferred from one object to another but can not be created or destroyed.
A low frequency wave would have what kind of wavelengths?
Long
High mass stars die off and become
Black holes
Formula for speed.
Distance/Time
How are magnetic field lines drawn to show a stronger force?
Closer together
Name the 2 basic components of a circuit.
Wire, energy source and load
What colors make white light?
ROYGBIV
Further apart
The unit used to measure force.
Newtons
The Earth has a magnetic iron core. Explain why the magnetic materials north is not the same as the directional north and why south is not the direction south.
It is reversed so that a compass will always point directional north.
Unit to measure an electric current.
Ampere amp
Why can't sound travel through a vaccum?
Sound requires a medium
The process that combines 2 Hydrogen atoms into a Helium atom is called
Fusion