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Static Electricity
Test Description: Review game for our Static Electricity Unit Test!
Instructions: Answer all questions to get your test result.
1) If you bring two objects near each other and they repel, what can you assume about the charge on both objects?
A
Neither object is charged
B
They have the same charge
C
One object is not charged, and the other one has a negative charge
D
They have opposite charges
2) What is it called when you connect an object to a large body, like the earth, which is capable of effectively removing an electric charge that the object might have?
A
induced charge separation
B
electric discharge
C
grounding
D
lightning
3) What is the overall charge on an object that has 7 electrons and 9 protons?
A
-2
B
+1
C
+2
D
-1
4) Which way do electrons flow when a positively charged object is connected to a grounding wire?
A
from the lightning cloud into the ground
B
from the ground into the object
C
from the object into the ground
D
they disperse evenly into the air around the object
5) What happens when you bring a charged ebonite rod towards the ball on a pith ball electroscope?
A
The ball will be repelled from the rod
B
The ball will be attracted to the rod
C
The ball will immediately start to do loopdey-loops
D
The ball and rod will neither attract nor repel
6) What do we call it when a neutral object becomes charged due to contact with a charged object?
A
Charging by friction
B
Charging by induction
C
Charging by conduction
D
Charging by cuddles
7) What type of instrument do we use to detect the presence of an electric charge?
A
Electrostatic precipitator
B
Electroscope
C
Feather duster
D
Electrostatic lifting apparatus
8) Sometimes when you go to touch your car door handle it shocks you. What is this an example of?
A
Induced charge separation
B
Static cling
C
Electric discharge
D
Lightning
9) What happens to the leaves on a metal leaf electroscope when you bring a charged ebonite rod towards the ball on the top?
A
They attract and stick together
B
Nothing, because metal leaf electroscopes have nothing to do with electric charges
C
Nothing, because you didn't actually touch the ball on the top
D
They repel and spread apart
10) What is the name for the type of object that sort of lets electrons flow through, but not that well?
A
Conductor
B
Part-conductor
C
Semi-conductor
D
Insulator
*select an answer for all questions
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