Font size
WorksheetsElectric Charges and Forces-Review
Total questions: 20
Worksheet time: 15mins
A neutral atom always has
more neutrons than protons.
the same number of protons as electrons.
more protons than electrons.
the same number of neutrons as protons.
Two unknown neutral substances are rubbed together. During the process the first substance becomes positively charged and the second substance
acquires a positive charge.
remains neutral.
acquires a negative charge.
could either be positively charged or negatively charged.
an object can have a
negative charge
positive charge
no charge
all of the above
The SI unit of electric charge is....
Coulomb (C)
Meter (M)
Kelvin (K)
Hertz (Hz)
Like charges...., and opposite charges....
repel, repel
attract, repel
repel, attract
attract, attract
Electric forces depend on?
wavelengths
distance
amplitude
charge
When different materials are rubbed together, electrons can be
destroyed and broken down
transferred from one material to the other
transformed into a different atomic particle
combined to form a different element
Negatively charged objects have...... electrons than protons, and positvely charged objects have...... electrons than protons.
fewer, more
more, fewer
the same number of protons and electrons
don't even have protons and electrons
If a material has more protons than electrons, what charge will it have?
Positive
Negative
Neutral
What direction will a force act between two like charges?
Attraction
Repulsion
No force
