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4th Grade Science Review
Test Description: Magnetism and Electricity
Instructions: Answer all questions to get your test result.
1) Electricity in most homes flows through
A
series circuits
B
parallel circuits
C
fuses
D
open circuits
2) The two ends of a magnet are called
A
charges
B
magnetic fields
C
none of the above
D
poles
3) Electrical charges builds up when
A
negative charges move from one object to another
B
too much current flows through a wire
C
positive charges move from one object to another
D
lightning is discharged
4) A(n) ___________________ is a material that does not allow electricity to flow through it easily.
A
Generator
B
Fuse
C
Conductor
D
Insulator
5) Copper is an example of a good
A
Plastic
B
None of the above
C
Insulator
D
Conductor
6) A build of of electric charge that causes lightning is called
A
Static Electricity
B
Solar Power
C
Current Electricity
D
Generator
7) Magnets stick to
A
paper
B
iron
C
glue
D
aluminum
8) When magnets pull together, they
A
fall down
B
do back flips
C
repel
D
attract
9) A _______________ is a pathway for the flow of electricity.
A
circuit
B
detector
C
light bulb
D
battery
10) A plastic ruler can get a positive charge by
A
losing a single positive charge
B
gaining a single negative charge
C
gaining a simple positive charge
D
losing a single negative charge
11) How many poles does a magnet have?
A
Four
B
Two
C
One
D
Three
12) An object has a ______________ charge if it has extra positive charges.
A
Neutral
B
Negative
C
Large
D
Positive
*select an answer for all questions
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