Name: ________________________________________ grade : _______________________
Physics Department
(6.1 Electric charge and static electricity)
Quiz and show
Q1) Answer the following questions:
a) Name the three particles in an atom with their charges? Also mention their locations.
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b) If the number of protons is more than the number of electrons, what is the net charge
of the object? _________________________________________________________
c) If the number of electrons is more than the number of protons in an object, what is the
net charge of the object? ____________________________________________
Quiz and show
Q:2) Use your understanding of electric field lines to identify the charges on the objects in
the following figures. Circle the correct charge.
Q:3) List three properties of electric field lines:
1. __________________________________________________
2. __________________________________________________
3. __________________________________________________
Q:4) True or False:
1. ____________Unlike charges repel.
2. ____________Charging by friction is when you charge neutral objects by rubbing
them against each other.
3. ____________ an object is negatively charged when the number of electrons is less
than number of protons.
4. ____________As you go farther from the charge the electric field become stronger.
5. ____________Electric field line point toward the negative charge.
6. ____________Electrostatic discharge happens more often in summer.
7. ___________ Lighting is an example of electrostatic discharge.
Q:5) Look at the figure and answer the following questions:
1. What does the figure represent?
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2. What is the charge of the balloon and the hair?
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3. What cause feeling of sparks?
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