Florida Science Grade 6

Section 1: Electric Charge and Forces

Electric Charge and Forces

1.
Which of these does not have an electric charge?
A)electron
B)proton
C)neutron
D)insulator
2.
An object is electrically charged if the amounts of positive and negative charge it contains are not _______.
A)negative
B)equal
C)positive
D)increased
3.
_______ are materials in which electric charges do not move easily.
A)Conductors
B)Circuits
C)Metals
D)Insulators
4.
When coal and crude oil are used up, there won't be anymore available for use for _______ of years.
A)Charging by contact
B)Charging by induction
C)Insulation
D)Conductivity
5.
Lightning occurs when the _______ on a storm cloud causes charging by induction on the ground or another cloud.
A)static charge
B)neutral charge
C)positive charge
D)negative charge
6.
Which of these is an example of electric discharge?
A)articles of clothing sticking together
B)spark between your hand and the doorknob
C)trees
D)rubbing your cat's fur with a balloon
7.
_______ can prevent damage caused to buildings by lightning strikes.
A)Insulating
B)Grounding
C)Conducting
D)Charging
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