Assertion: magnetic field's line | /r/HasProperty | close
Facets:
value: together
type: MANNER
value: at one pole
type: LOCATION
Source sentences:
text: Then sprinkle the filings onto the paper and watch as they form patterns of lines that are close together at one pole, more spread out as they leave that pole, and close together again at the magnet’s other pole.
text: When the lines of the magnetic field are close together the magnetic field is strong.