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WorksheetsAwaken the Force LC-1 Review
Total questions: 22
Worksheet time: 11mins
What subatomic particle causes magnetism in an atom?
proton
neutron
electron
nucleus
Magnetic force can cause
push only
pull only
a push or a pull
no change in motion at all
Which of the following relationships between distance and magnetic force is correct?
increased distance = increased magnetic force
decreased distance = decreased magnetic force
increased distance = decreased magnetic force
There is no relationship
What is being shown by the magnetic force field lines shown below?
Attractive force by like poles
Attractive force by opposite poles
Repulsive force by like poles
Repulsive force by opposite poles
Which diagram would produce the strongest magnetic force?
A
B
C
They are all equal in strength
The area around an electric charge that experiences the force exerted by the electric charge.
Electric Field
Magnetic Field
Electric Force
Magnetic Force
Which of the interactions below result in an attractive force? (choose 2)
A positive charge and a negative charge
Two negative charges
Two south poles
A north pole and a south pole
Two positive charges
Static electricity is the buildup of charges between two objects. What best explains why a balloon is attracted to hair when the two have been rubbed together?
The balloon and hair both have positive charges
The balloon and the hair both have negative charges
The balloon and the hair both have neutral charges
The balloon and the hair both have opposite charges
What is the cause of electricity?
Magnetism
Gravity
Moving electrons
Lightning
Magnetism is a (a) force.
If two objects push each other away they __________ from each other.
attract
repel
static
force
When charges cannot move easily, the material is considered a(n) ________________________.
insulator
conductor
positive
negative
Students attach magnets to toy race cars. They want one car to push another car without touching it. How can the students arrange two cars so they will push each other without touching.
A balloon was rubbed with a piece of cloth. Which statement describes the charges shown?
Negative charges from the cloth were transferred to the balloon.
Balloons always have more negative charges than positive charges.
Negative charges appeared when the cloth was rubbed on the balloon.
What is static electricity?
An imbalance of electric charges that are moving, or flowing.
An imbalance of electric charges NOT moving, or flowing.
When the electric charges are balanced.
Electric Charges that are recorded on a meter.
Why does your hand have to be close to the doorknob in order for the electric discharge (shock) to occur?
Electric force gets stronger as you get closer to the doorknob.
Electric force gets weaker as you get closer to the doorknob.
Electric force is a contact force.
Moving two magnetic objects closer together will __________________ the strength of the magnetic force between them.
decrease
increase
not change
The net charge of the sweater is...
Neutral
Positive
Negative
It has no charge
During a lightning storm, the bottom of a cloud gains a strong negative electric charge. What would the charge be at the top of a tall metal pole directly under the cloud?
The pole would have NO charge.
The pole would have a negative charge.
The pole would have a positive charge.
Which of these best describes a magnetic field?
a measure of the length of a magnet
the force that pushes two magnets away from each other
a region around a magnet in which magnetic forces can be measured
A student is brushing her hair. As the hairbrush is brought near her head, the hair seems to reach toward the hairbrush. Which of the following is the best explanation?
Two gravitational fields are interacting.
Two magnetic fields are interacting.
Two electric fields are interacting.
