Sasha dropped a magnet on the sidewalk. Now it no longer attracts paper clips. Why?
Question 11
11.
Draw magnetic field lines around the two bar magnets pictured below.
Question 12
12.
An electromagnet with 50 coils can pick up 12 paper clips and an electromagnet with 200 coils can pick up 48 paper clips, How many paper clips do you think a magnet with 100 coils could pick up?
Question 13
13.
In the Electromagnet lab, 20 coils picked up 10 paper clips. A paper clip weighs .003 pounds. A Nissan Altima Car weighs 3,100 pounds. Using what you just found, how many coils would it take to lift up the car?
An object that attracts certain materials such as iron, nickel and cobalt is a
Proton
Static Electricity
Electricity
Magnet
A solenoid (coil) wrapped around a bar of iron or other ferromagnetic material
is known as an
Electron
Electromagnet
Magnet
Static Electricity
Where is a magnet the strongest?
The Poles
The front
The back
The middle
The area around the magnet where it exerts magnetic force is the
Magnet
Magnetic Field
Proton
Neutron
When charges go towards to one another they attract
True
False
A magnetic field produces an electric current, as long as the magnetic field is changing. What law is this?
Newton's Law
Einstein's Law
Faraday's Law
What causes static electricity? Select ALL that apply
Imbalance of charges
Friction
Magnets
Transfer of Electrons
A student created an electromagnet out of a D 1.5 volt battery, a nail and some wire. What are ways he/she could boost the strength of the electromagnet? Select all that are correct.