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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
They have the same charge
B
Neither object is charged
C
They have opposite charges
D
One object is not charged, and the other one has a negative charge
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
grounding
B
induced charge separation
C
electric discharge
D
lightning
3) What is the overall charge on an object that has 7 electrons and 9 protons?
A
-1
B
+2
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 object into the ground
C
they disperse evenly into the air around the object
D
from the ground into the object
5) What happens when you bring a charged ebonite rod towards the ball on a pith ball electroscope?
A
The ball will immediately start to do loopdey-loops
B
The ball and rod will neither attract nor repel
C
The ball will be repelled from the rod
D
The ball will be attracted to the rod
6) What do we call it when a neutral object becomes charged due to contact with a charged object?
A
Charging by cuddles
B
Charging by conduction
C
Charging by induction
D
Charging by friction
7) What type of instrument do we use to detect the presence of an electric charge?
A
Electroscope
B
Electrostatic lifting apparatus
C
Electrostatic precipitator
D
Feather duster
8) Sometimes when you go to touch your car door handle it shocks you. What is this an example of?
A
Lightning
B
Static cling
C
Induced charge separation
D
Electric discharge
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 repel and spread apart
B
They attract and stick together
C
Nothing, because you didn't actually touch the ball on the top
D
Nothing, because metal leaf electroscopes have nothing to do with electric charges
10) What is the name for the type of object that sort of lets electrons flow through, but not that well?
A
Part-conductor
B
Insulator
C
Semi-conductor
D
Conductor
*select an answer for all questions
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