In a neutral atom, the number of electrons is equal to the number of _______.
Neutrons
Orbits
Protons
subatomic particles
2. Multiple Choice
45 seconds
1 pt
An object becomes charged when the atoms in the object gain or lose
electrons
protons
neutrons
all of the above
3. Multiple Choice
45 seconds
1 pt
If you bring a charged object near an electrically neutral surface without allowing the object to touch the surface, the charges in the surface are rearranged by
friction.
convection.
induction.
conduction.
4. Multiple Choice
45 seconds
1 pt
Objects that have opposite charges
are attracted to each other, and the force between the objects pulls them together.
are attracted to each other, and the force between the objects pushes them apart.
are repelled by each other, and the force between the objects pulls them together.
are repelled by each other, and the force between the objects pushes them apart.
5. Multiple Choice
45 seconds
1 pt
A region around a charged particle that can exert a force on another charged particle is called an
electric pulse.
electric charge.
electric force.
electric field.
6. Multiple Choice
45 seconds
1 pt
Charging by ____ occurs when electrons are transferred from one object to another by direct contact.
reduction
induction
conduction
friction
7. Multiple Choice
45 seconds
1 pt
_______ is when there is a buildup of charges (more of one type of charge) on an object.
static electric discharge
static electricity
current electricity
8. Multiple Choice
45 seconds
1 pt
Rubbing a balloon on hair is an example of static charge build up created by....
conduction
friction
induction
hairduction
9. Multiple Choice
45 seconds
1 pt
Which of the following is caused by static electricity?