What is an Electric Current? How do Electric Circuits Work? What is Magnetism? How do Electricity and Magnetism work together? Other
100
When two objects have different electric charges, they
Pull toward each other.
100
Every time you turn on a light, you
Close and open circuit
100
The invention of the compass showed that Earth acts like a giant _________.
Magnet
100
Electric wire is coated with plastic or rubber because of these materials?
a. melt very slow
b. conduct the flow of electricity
c. are inexpensive and easy to make
d. are good insulators
d. are good insulators
100
If you plug too many appliances into one electric outlet, you can cause a _____________
overload
200
Electric current is the flow
Negative charges through matter
200
When you turn off a lamp, and all the other lights turn off what kind of a circuit are the electric appliances connected to?
Series circuit
200
The northern lights are caused by the Earth's _______________.
Magnetic field
200
You hold the south poles of two magnets near each other. The poles will __________
Repel each other
200
What is a lodestone?
magnetic rock
300
What is a material through which electric current passes easily
Conductor
300
If you connect too many appliances to on circuit, the wires can
overheat and cause a fire OR give you a shock if you touch them.
300
Which statement about magnetism is correct?
a. The smaller the magnet, the greater the force.
b. Magnets attract all types of metal.
c. A magnet's force is the greatest at its poles.
d. The S pol of a magnet always points north.
c. A magnet's force is the greatest at its poles.
300
Most electric generators make electricity by using
a magnet and an energy source.
300
*Explain how electromagnets are used to make electric power?*
Answer in book
400
When you rub two balloons together _______________, can move from one to the other.
+ -
Negative charges
400
What are two things we learned about how to be safe around electricity?
Answers will vary
400
What is a pole?
A place on a magnet where magnetism is strongest.
400
a _______________ is created when electric current flows through a wire.
electromagnet
400
True or False, magnetism and electricity are closely linked?
true
500
An electric current flows only through a what kind of circuit?
Closed circuit
500
When you walk across a thick carpet and reach out to turn on a light switch. Explain why you feel a shock?
Answer in book
500
A machine that produces electricity is called a _________________
generator
500
Draw for me what a parallel circuit looks like
Students will draw it for me to see.






Electricity and Magnetism

Press F11 for full screen mode



Limited time offer: Membership 25% off


Clone | Edit | Download / Play Offline