WorksheetsSCA _ Electricity
Total questions: 10
Worksheet time: 5mins
The effect of electricity can be seen:
a buzzer makes noise
a cigarrette lighter gets red hot
a motor turns
all answers are correct
The atom is like a tiny solar system
True
False
the center is calleld the nucleus and is made up of :
tiny particle called protons and enormous electrons
protons and neutrons
neutrons and electrons
none answer is correct
The valence electrons determines the atom's ability to conduct electricity
True
False
Condutor is:
a substance in which electrical electrons move easily form atom to atom
a substance in which electrical electrons can not move easily
the solid material
a gas
The electron is a stable elementary particle present in all atoms , orbiting the nucle
True
False
The proton is a stable negatively charged elementary particle found in atomic nucleus
True
Flase
The neutro is an elementary particle found in most atomic nucleus, having no charge
True
False
The electron travels in circular orbits around the nucleus.
True
False
A valence electron is an electron in the outer shell associated with an atom
True
False
