Friction Conduction Induction

Quiz
•
Science
•
7th Grade
•
Hard
+1
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A negative balloon moves near a conducting neutral sphere, and a hand touches it. Where will e- flow?
e- move into the sphere
e- move into the hand
e- move towards the hand but stay in the sphere
e- move towards the sphere but stay in the hand
Tags
NGSS.MS-PS2-3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A neutral metal pan is brought near a negative charged plate. A hand touches the pan. What is the result?
electrons move into the hand; the pan is negative
protons move into the pan; the pan is positive
electrons move into the pan; the pan is negative
electrons move into the hand; the pan is positive
Tags
NGSS.HS-PS2-4
NGSS.HS-PS3-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A metal block has a net -10 charge. What will happen when a neutral grounding wire touches the block?
The block will gain protons until it is neutral
Electrons will flow out of the ground wire and into the block until the block is neutral
Electrons will flow out of the block, into the ground wire until the block is neutral
The block will gain electrons and become more negative
Tags
NGSS.MS-PS2-3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which diagram best illustrates a neutral electroscope being charged by conduction?
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
To charge this electroscope, first it must be grounded with a conductor. Then a positive charged rod is brought near. What happens next?
The leaves will gain a charge and stay in place
The rod must touch the electroscope to transfer charge, and you can observe the leaves move
The plate must be taken off in order to allow electrons to transfer
You can't charge something while it is grounded, because ground wire don't let electrons flow
Tags
NGSS.MS-PS2-3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Walking across a carpet is an example of charge being transferred by
friction.
induction.
contact.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The girl's hair and the comb are attracting one another. The hair and the comb have
opposite charges
like charges
Tags
NGSS.MS-PS2-3
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