Electrifying Electricity
What is a conductor?
a substance or material that allows electricity to flow through it
List THREE magnetic metals.
Iron, cobalt, nickel
Define static electricity.
single, sudden transfer of electrons from one place to another; static electricity is the build up of an electrical charge on the surface of an object
Are the magnetic domains of a magnet jumbled up or do they face the same direction?
They face the same direction.
BONUSSS
Would water be considered a conductor or insulator?
Conductor
BONUSS
What three particles does each atom have?
What is their charge?
Electrons- Negative
Protons- Positive
Neutrons- Neutral
Answers will vary.
Fill in the blank: Electricity is when _______, the _______charged particles in an ________, move from one place to another.
What are some types of Electromagnets?
Electric motors (power windows, washing machines), electric locks, circuit beakers
Name three classroom objects a magnet would be attracted to.
Answers will vary: whiteboard, lamp, book bins etc.
List 2 examples of insulators.
plastic, glass, wood, paper
A magnet is any material that produces a magnetic field.
What is an insulator?
A substance that does not allow the electricity to flow
What is an electromagnet?
When you run an electric current through a wire and that (electric current) produces a magnetic field.
Where do magnets get their name from?
The iron mineral Magnetite
A ballon rubbing on your hair, getting shocked by a doorknob are examples of what kind of electricity?
Static electricity
BONUSSS
List FOUR NON-magnetic metals
aluminmum, copper, tin, gold
List three examples of conductors.
Copper, aluminum, silver
BONUSSS
What is the simplest requirement for an electromagnet?
A length of electrified wire
When you coil a wire tightly around an iron bar.
On your whiteboard, draw a picture of a simple circuit with all parts CLEARLY labeled.
List two differences and two similarties between a natural magnet and an electromagnet.
Similarties: Both magnets are attracted to the same metals. Both magnets possess a north and south pole.
Differences: A natural/permanent magnet is naturally occuring in the Earth. However a electromagnet is human made. An electromagnet can also be turned on and off. A natural magnet always has a magnetic field.
BONUSSS
Compare and contrast static electricity and human harnessed electricity.
Static Electricity is natural. Static electricity is unpredictable and random so it isn’t harnessed as a power source for consumer use. Some examples includes lightening. However, human-harnessed electricity means that the electricity is produced or made by humans. For example, humans use electric generators to make electricity for lights and other purposes. The flow of electricity is harnessed or controlled as it moves through the grid of cables, substations, and storage facilities.
How can you make an electromagnet stronger?
When you increase the amount of current flowing through the wire, the magnetic field gets stronger thus making the electromagnet stronger.
Coiling a wire around an iron bar makes an electromagnet stronger.
What is the relationship between friction and static electricity?
Static electricity is produced due to the friction between materials.