Match each word to the sentence where it best fits.
|ferromagnetic|| ||force field|
|magnetic|| ||magnetic domain|
|magnetic field|| ||magnetic field lines|
|magnetic force|| ||magnetic poles|
|permanent magnet|| ||polarity|
- Iron is an example of a _______, a nonmagnetic material that can be magnetized by a nearby magnet.
- You can _______ paper clips by bringing them close to a magnet.
- The Earth has a _______ that causes compass needles to point north.
- When visualizing the magnetic force in a diagram, the _______ are drawn in the direction in which the north pole of a test magnet would feel the magnetic force.
- A _______ material has both a north and south pole.
- The Earth’s _______ are misaligned with geographic north and south.
- Labeling the positive end of an electrically charged object, or the north end of a bar magnet, are ways to indicate the _______ of each.
- The direction and magnitude of the gravitational force or magnetic force around an object can be visualized with a _______ diagram.
- The like poles of two bar magnets exert a _______ of repulsion.
- A _______ is found in some paramagnetic materials and consists of a region of atoms that have mutually aligned magnetic field directions.
- A bar magnet is an example of a _______.
|Coulomb’s law|| ||coulomb (C)|
|electric charge|| ||electric force|
|electrically neutral|| ||electroscope|
|electrostatic induction|| ||electrostatics|
|negative charge|| ||positive charge|
|static electricity|| |
- Electric charge is measured in units of the _______.
- The proton has a/an _______.
- An object that contains 200 C of positive charges and −200 C of negative charges is _______.
- Electrons and protons have the same __________, but with opposite sign.
- The study of electrical charges at rest is called _______.
- The _______ is an instrument used to detect charged objects.
- The equation for calculating the electric force between two electric charges is called _______.
- _______ is illustrated by bringing an electrically charged object near an electroscope and seeing the foil leaves separate.
- The buildup of electric charge on the surface of a balloon is an example of _______.
- The electron has a/an _______.
|electric field|| ||electric field lines|
- The curved lines with arrows in a diagram visualizing the electric field are called _______.
- A positive charge will be surrounded by an _______.
|electric potential|| ||electric potential energy|
- In a field diagram, two locations that are both at +7.3 V are on the same _______ line.
- The unit of _______ is named after Michael Faraday.
- Two charged, parallel plates that are separated by a small distance form a/an _______.
- Measuring the work required to move two charged objects near each other is equivalent to measuring their _______.
- The _______ is the electrical potential energy divided by the charge.