# Glencoe Physical Science

## Chapter 8: Magnetism and Its Uses

### Section 1 Self-Check Quiz-Eng.

 1 The interaction between two magnets is called __________ . Need a Hint? A) magnetic force B) a magnetic field C) polarity D) current 2 The magnetic field that surrounds a magnet exerts __________ . Need a Hint? A) electrical current B) the magnetic force C) air pressure D) resistance 3 The __________ are regions where the magnetic force exerted by a magnet is strongest. Need a Hint? A) magnetic field lines B) anodes C) magnetic poles D) cathodes 4 Which of the following is found in all magnets? Need a Hint? A) a geographic pole B) a transformer C) a north pole and a south pole D) an electrical field 5 North poles of magnets always attract __________ . Need a Hint? A) south poles B) other north poles C) negative charges D) positive charges 6 Which of the following elements is magnetic? Need a Hint? A) aluminum B) iron C) tin D) lead 7 Groups of atoms with aligned magnetic poles are called __________ . Need a Hint? A) magnetic domains B) magnetic fields C) elements D) permanent magnets 8 When a bar magnet is broken into two pieces, each piece has a north and south pole because __________. Need a Hint? A) every magnet is made of many aligned smaller magnets B) the magnetic fields reversed C) the magnetic poles have been isolated D) bar magnets are permanent magnets 9 Why does the north pole of a compass point toward Earth's geographic north pole? Need a Hint? A) Earth's geographic north pole is a south magnetic pole. B) Like poles attract. C) A compass does not rely on Earth's magnetic field to function. D) Opposite poles repel. 10 Iron is a magnetic material, but an iron nail does not behave like a magnet because __________ . Need a Hint? A) its magnetic domains are aligned B) it contains too few magnetic domains C) its magnetic domains are arranged randomly D) the atoms in the iron exert a force on all the other atoms