Magnetism Practice Quiz

Iron, Nickel and cobalt are all __________________ materials

• Shiny
• poles
• magnetic
• cold

Tags

NGSS.MS-PS2-3

Which of the following shows the magnetic field correctly around a bar magnet?

• A

• B

• C

• D

How can the strength of an electromagnet be increased?

• by rubbing it with a stronger magnet
• by increasing the coils of wire around the iron
• by increasing the length of the wire from the battery
• by loosening the coil of wire around the iron

Electric motors are devices that convert _____ energy into  _____ energy.

• electrical; mechanical
• mechanical; electrical
• chemical; potential
• mechanical; kinetic

Tags

NGSS.HS-PS3-3

Generators are devices that convert _____ energy into _____ energy.

• chemical; mechanical
• mechanical; electrical
• electrical; mechanical
• potential; kinetic

Tags

NGSS.HS-PS3-3

You can make an electromagnet stronger by: using a __________________ material for the core.

• soft
• conducting
• magnetic
• hard

Magnets have a north and a south ___________

• shape
• color
• pole
• region

The diagram below shows a bar magnet. Which direction best represents the direction of the needle of a compass placed at point A?

• left
• right
• up
• down

Which of the following shows the magnetic field correctly around a bar magnet?

• A
• B
• C
• D

Two students drew the magnetic field around a horseshoe magnet. Who was incorrect and why?

• Student B because magnetic fields start on North and end on South
• Student B because magnetic field lines do not cross
• Student C because magnetic fields start on North and end on South
• Student C because magnetic field lines cross