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