1. Two magnetic north poles will do which of the following?
A. Attract one another
B Repel one another
C. Attract or repel one another, depending on orientation
D. Not interact with one another
2 Magnetic Monopoles have never been found in nature nor been created because of this scientists believe that magnets must
A. Form closed Loops
B decrease in strength over time
C have both north and south poles
D be created by moving charged particles
3 what must be true about the domains in a powerful iron magnet
A there’s are very few of them
B most atoms are magnetically aligend
C the domains have been forced out of the magnet
D additional domains have been created by the magnetic field
4 which of these will be affected by a magnetic field? Select all that apply
A moving proton
B stationary proton
C moving bar magnet
D stationary bar magnet
5 magnetic domains are which of the following?
A a type of magnetic pole
B created by stationary chargers
C regions within some types of magnetic materials
D a way to prevent magnetic field form entering a region
6. The left side of magnet x is attracted to one end of magnet x and also to one end of magnet y. What is the polarity of the left side of magnet x?
A north
B south
C either north or south
7 what is the relationship between the auroras and earth magnetic field
A the Auroras are earth”s magnetic field
B the auroras create earth magnetic field
C earth magnetic field helps create the Auroras
D streaks in the sky correspond directly to earth magnetic field line
8 which of the following could be the cause of the magnetic properties of a bar magnet
A vibrating magnetons within the magnet
B molten metal convecting inside the magnet
C open magnetic field lines entering the magnet
D electrons moving inside the atoms of the magnet
9 earth magnetic field is similar to that of a bar magnet. Select all the statements that are true as a consequence of this
A it has a north and south magnetic pole
B it has a bar shaped iron section inside it
C its magnetic field lines form closed loops
D magnetic object are attracted to its poles