Atoms
Static Electricity
Current Electricity
Transforming Electricity
Energy Sources
100
All matter is made up of what?
Atoms
100
What does "repel" mean?
To push away.
100
What is "current" electricity?
The flow of electrons along a pathway.
100
What is the name of the strong metal that a light bulb's filament is made of?
Tungsten
100
What does non-renewable mean?
It can not be replaced if it runs out.
200
What two types of particles are found in the nucleus of an atom?
protons and neutrons
200
What does "static" electricity mean?
Electricity that is at rest, or that does not move.
200
What is the benefit of current electricity over static electricity?
Current electricity can be controlled and directed.
200
Name one type of light bulb that is more energy efficient?
CFL or fluorescent or LED
200
Name two examples of a renewable energy source.
Solar, geothermal, wind, water, biomass, fuel cells
300
What particle of an atom can move?
electron
300
What is an example of static electricity occurring in the world around us?
lightning or gasoline pouring through a hose or when we take clothes out of the dryer
300
What 3 parts are required to have a complete circuit? Use scientific terms.
1. source of electricity (battery) 2. pathway (wire) 3. electrical device (light bulb)
300
Name 2 appliances that transform electricity into motion.
Blender, magic bullet, food processor, coffee grinder, mixer, electric can opener, washing machine, clothes dryer, electric drill.
300
What is a disadvantage of solar energy?
Sunlight isn't always available, it is suitable mainly in sunny climates, it isn't that efficient, a lot of land is needed to set up solar collectors and it is expensive to store.
400
What charge does each particle within an atom carry?
proton - positive charge neutron - no charge (neutral) electron - negative charge
400
What causes static electricity?
friction
400
What is the difference between a series circuit and a parallel circuit?
A series circuit has only one pathway and a parallel circuit has more than one pathway.
400
What does electricity flowing through a coiled wire produce?
Electromagnetism
400
Nuclear energy is made from what natural resource?
Uranium.
500
What is it called when an electric charge is lost or goes away?
Static discharge
500
What does the law of electric charges (positive & negative charges) state?
opposite charges attract and like charges repel + and - attract + and + repel or - and - repel
500
What is the advantage of a parallel circuit over a series circuit?
When one electrical device goes out, other devices that are part of the same circuit are not affected.
500
What four things can electricity be transformed into?
Light, heat, motion, sound, magnetism.
500
How is electricity generated?
Water or steam is used to turn a turbine which drives a generator, which produces electricity.
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