Static Electricity
Circuits
Magnetism
Electromagnets
?!? Mystery ?!?
100
Rubbing two objects together builds up____________?
What is static electricity
100
A _______________ circuit has only one path for electric current to flow.
What is a series circuit.
100
When the south poles of two magnets are brought together, the magnets ________________?
What is repel each other.
100
A coil of wire wrapped around an iron core can act as _______________?
What is an electromagnet.
100
The measure that shows the strength of a power source is ____________.
What is voltage.
200
When a material has an equal number of positive charges and negative charges, its overall charge is ______________.
What is neutral.
200
Electric current flows along several paths in a ____________ circuit.
What is a parallel circuit.
200
The area of magnetic force around a magnet is its ____________________?
What is magnetic field.
200
The vibrations of a _______________ turn electrical energy into sound.
What is diaphragm.
200
Metal such as cooper, gold, and silver are good ________________.
What is conductors.
300
________________ is an example of static electricity that occurs in nature.
What is lightning.
300
A ____________ circuit results when a current uses a path of very little resistance.
What is a short circuit.
300
When left to swing freely, a magnet will align with Earth's _______________.
What is magnetic field.
300
A compass does not use an electromagnet. True or False.
What is True. An compass DOES NOT use an electromagnet.
300
Materials such as rubber, clay, and wood are good _______________.
What is insulators.
400
After rubbing a balloon with wool, what causes the balloon to stick to a wall?
What is the charges on the balloon are attracted to the positive charges in the wall and repels the negative charges within the balloon. This causes the balloon the stick to the wall.
400
The electrical outlets in most homes are connected in a ______________________.
What is parallel circuit.
400
What poles on a magnet attract?
What is north and south.
400
A microphone and a speaker both work with ______________ and _____________ and have wire coils, magnets, and a diaphragm.
What is sound and electrical energy.
400
How are a series circuit and a parallel circuit similar?
What is they both have a power source connected to a load by wires and can possibly have a switch also.
500
Substances with ________ ____________ do not let electric current flow.
What is high resistance.
500
What are the potential dangers of unsafe practices with electricity? What are some practices to avoid?
What is electric shock or electrical fires. Some practices to avoid is putting to many pieces of electrical devices on one circuit and using electrical devices with frayed wires.
500
You hypothesis that there is a relationship between voltage and an electromagnet's strength. Describe how you would test this hypothesis.
What is (open to multiple answers)
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