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electricity/magnetism
Electricity/magnetism
50
Science
6th Grade
02/23/2010

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Term
Materials that does not allow electrons to move through it freely.
Definition
insulators
Term
A positive charge and a ____charge will pull on eachother.
Definition
negative
Term
Opposite charges_____.
Definition
attract
Term
The ___wire of an appliance connects its metal base to the ground through the household wiring.
Definition
grounding
Term
When a balloon charged approaches a wall, the electrons pull on the _________charges of the wall that makes it stick.
Definition
positive
Term
In static electricity, electrons _________ or jump.
Definition
discharge
Term
Another name for a battery.
Definition
dry cell, energy source
Term
Charged particles in a pathway.
Definition
current
Term
Opposite poles of a magnet...
Definition
attract
Term
LIke charges of a magnet..
Definition
repel
Term
Magnets always tend to point to the
Definition
north
Term
If you hang a magnet freely the north pole of the magnet will point
Definition
to the geographic north
Term
What causes magnetism?
Definition
Motion of electrons
Term
What are magnets made of?
Definition
cobalt, iron, nickel
Term
Do magnets always have poles?
Definition
yes
Term
Flow of energy. Electrons flows out of the .....
Definition
negative end and goes back into the positive side with a wire
Term
Metals can become temporary _________when you rub electrons onto them in one direction.
Definition
magnets
Term
This circuit has a gap.
Definition
open
Term
This circuit does not have a gap and electricity is running through it.
Definition
closed
Term
Devices on a circuit taking energy.
Definition
load
Term
Light bulbs would be an example of a
Definition
load
Term
_____________oppose the flow of electrons in a circuit. Loads would somewhat be these.
Definition
Resistors
Term
Copper wire would have ______resistance.
Definition
low
Term
Plastic covering on a wire would have ________resistance.
Definition
high
Term
The push of force through a battery.
Definition
voltage
Term
Harry the chick helped us create a _______circuit.
Definition
closed
Term
What device helps us to open and close a circuit?
Definition
switch
Term
Fossil Fuels are _____________resources
Definition
nonrenewable
Term
Simple circuit has only ______load on its single pathway.
Definition
one
Term
____________is one pathway of electricity and has two or more loads.
Definition
series
Term
__________circuit is two or more pathways and has two or more loads.
Definition
parallel
Term
Lights get dimmer when added on a ______circuit.
Definition
series
Term
Do lights get dimmer on a parallel?
Definition
no
Term
old holiday lights
Definition
series
Term
Buildings are wired with _____
Definition
parallel circuits
Term
Moving electrical current through a wire can turn a nail into an
Definition
ELECTROMAGNET
Term
Devices made magnetic through electric current are called
Definition
electromagnets
Term
The tighter the coils
Definition
stronger the magnet
Term
The looser the coils the
Definition
weaker the Emagent
Term
The more coils the
Definition
stronger the Emagnet
Term
The greater the energy OUTPUT of the electromagnet the
Definition
greater the magnetism
Term
Uses electrolytes to create electricity.....lemons, potatoes...
Definition
wet cells
Term
Resources that will eventually run out, won't last forever
Definition
Nonrenewable resource
Term
What would a core of an electromagnet be?
Definition
Nail (the example we used in class)
Term
Changing battery power or size of cores of an electromagnet would be the _________variables of an experiment.
Definition
independent
Term
Resources that supplies electricity that doesn't run out.
Definition
renewable
Term
Door bells, phone receivers, and motors are examples of
Definition
electromagnets.
Term
In a magnetized metal, the electrons are
Definition
line up.
Term
3 main nonrenewable resources
Definition
coal, oil, natural gas
Term
Windpower and solar power are examples of ______resources.
Definition
renewable
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