Worksheetsmagnets
Total questions: 40
Worksheet time: 2hrs 0mins
If you bring 2 magnets together and they push away, what should happen if you turn one around?
the magnets should push further apart
the magnets should be attracted to one another
the magnets should not move
one magnet will float above the other
Choose the magnetic materials
plastic and iron
steel and iron
paper and cloth
wood and silver
Magnetism is a force.
True
False
A magnet will not work in water.
True
False
The Earth has a magnetic field.
True
False
What characteristics do magnetic substances have?
They are always black in color and cold when you touch them.
They have the ability to push and pull objects.
The shock you when you come in contact with them.
When dropped, they will fall quickly.
Magnetic field line start from _______________ and end at _____________
north pole, south pole
south pole, north pole
north pole, north pole
south pole, south pole
The strength of a magnetic field in an electromagnet increases if :
electric current decrease
electric current increases
number of turns of the coil decreases
number of turns of the coil increases
True or False:
The following items are NOT MAGNETIC: basketball, wooden spoon, rubber band, penny, aluminum foil
TRUE
FALSE
What happens in an electromagnet?
Mechanical energy produces an electric field
Mechanical energy transforms into electrical energy
Electrical energy produces a magnetic field
Electrical energy transforms into mechanical energy
