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WorksheetsStatic Electricity
Total questions: 22
Worksheet time: 22mins
the positively charged particle in an atom, never leaves the nucleus, determines the element
proton
neutron
electron
During a lab a balloon was rubbed with a wooly fabric. This is an example of which type of charging?
conduction
friction
induction
What happens when you touch a metal doorknob after rubbing your shoes on the carpet?
The doorknob sends a burst of electric current into your body
Millions of electrons go from your finger into the doorknob
The doorknob sends millions of electrons into your finger
Your finger becomes negatively charged
An object that is neutral contains the same number of electrons and protons.
True
False
the negatively charged particle in an atom, moves freely, can be released, shared, or “stolen” from an atom
proton
neutron
electron
the charging of an object by the contact of a charged object to a neutral object (like touching a door knob)
induction
conduction
friction
Lightning occurs because ___.
the negative charges at the bottom of clouds are attracted to the positive charges on the ground.
the positive charges at the bottom of clouds are attracted to the negative charges on the ground.
the positive and negative charges inside clouds are attracted to each other
All of these reasons are correct.
When the electroscope is charged by touching it with a charged object, this is called ____.
charging by conduction
charging by induction
energizing
grounding
A(n) ______________________________ is an instrument used to detect the presence of an electric charge.
scale
van de graaff generator
electroscope
Which is the value of the constant in Coulomb's equation?
k = 9·10-9
k = 9.8
k = 6.67·10-11
k = 9 ·109
What happens to the force between two charged objects when you halve the distance between them?
2X
1/2X
4X
1/4X
If one of the charges doubles, what happens to the force?
it doubles
it gets cut in half
it quadruples
it is cut by 1/4
