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Electromagnetism
Test Description: Science
Instructions: Answer all questions to get your test result.
1) What is a magnet?
A
The sky
B
Any material that has mas a South and a South
C
A place in Atlanta
D
Any material that attracts iron, nickel, and cobalt
2) Electromagnets are magnets formed when current passes through
A
a coil of wire
B
aurora borealis
C
electric current flow
D
mixture of metals
3) Electromagnet rotates between the poles of a _______________ magnet
A
Negative
B
repulsion
C
permanent
D
Positive
4) broken or cut magnet
A
still has two magnetic poles
B
has two south poles
C
has two north poles
5) Permanent magnets keep their magnetism after they are kept on the magnetic field
A
True
B
False
6) Temporary Magnets are made of materials that soft material like
A
wood
B
paperclips and nails
C
copper
D
aluminum
7) The North Pole form charged particles which are known as
A
North America
B
Aurora Borealis
C
Southern Lights
D
Aurora Australis
8) Michael Faraday is a
A
British Scientist known for his discoveries in electromangetism
B
An American Physicist
C
An European Timer Traveller
D
An Australian Car Racer
9) What happens in a hydroelectric dam?
A
The PE turns into KE
B
The Potential Energy of lake water is converted to Kinetic Energy, then Mechanical Energy turns the generator
C
The KE turns into PE
D
The ME turns into PE
10) Law of Electric Charges
A
Like repels like and opposites attract
B
1
C
1
D
1
*select an answer for all questions
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