Vocab
a material that allows electric charge to flow through it easily.
conductor
to pull toward.
attract
matter that is neutral has _______.
a. more positive charges
b. more negative charges
c. an equal number of positive and negative charges.
c.
charges that are the same or opposite attract each other.
opposite
If you place a balloon with negative charges near a wall with positive charges, what happens? Why?
an invisible pulling or pushing force that exists around a magnet.
magnetism
______ charges can be transferred from one object to another.
a. positive
b. negative
c. neutral
b.
charges that are the same or opposite repel each other.
same
the negative charges on the balloons will push away or repel from each other.
the buildup of nonflowing electric charge.
static electricity
______ magnets do not lose their magnetism.
a. permanent
b. temporary
c. soft
a.
If a hat has negative charges and your hair has positive charges, will the forces attract or repel one another.
attract
Can an electric force act on two charged objects if they do not touch? why?
Yes they can act because electric forces act at a distance.
a place on a magnet where its magnetism is strongest.
magnetic pole
the strength of a magnetic force depends on _______.
a. the distance between objects
b. the position of the magnets
c. the properties of the objects
d. all of the above
d.
if two balloons have negative charges, will the forces attract or repel each other.
repel
Where is an electric force the strongest?
It is strongest close to the charged object.