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WorksheetsUNIT 5_NS_EV
Total questions: 33
Worksheet time: 25mins
Definition of magnetism
Magnets can be: n_________ AND a_______
Example of natural magnet
Depending on how strong their magnetism is, magnets can be: p____________ or i__________
Permanent magnets
have a temporary magnetic force
never lose their magnetism
Induced magnets
have a temporary magnetic force
never lose their magnetism
Induced magnets
have a temporary magnetic force
never lose their magnetism
N + S =
REPEL
ATTRACT
ATRACT
RIPEL
N + N =
REPEL
ATTRACT
ATRACT
RIPEL
S + N =
REPEL
ATTRACT
ATRACT
RIPEL
S + S =
REPEL
ATTRACT
ATRACT
RIPEL
The Earth.... (choose 2)
has a core of liquid iron that makes it magnetic (N & S pole)
has a core of liquid metal that makes it magnetic (W & E poles)
has an enormous magnetic field which protects us from harmful radiation
has a magnetic field which protects us from meteorites
Definition of magnetic field
Magnetic fields can...
attract or push away another magnetic object
attract another magnetic object
push away another magnetic object
atract or push away another magnetic object
Definition of compass
Compasses have a magnetized needle that always points to ___
the south
the east
th west
the north
Compasses have a (a) that always points to the north
What is electromagnetism?
Magnetism in electromagnets is created when ___________ flows through ________________
magnetic metals / electricity
metals / electricity
electricity / magnetic metals
electricity / metals
Write 2 examples of magnets at home
All magnetic materials are metallic
TRUE
FALSE
Some metals and non-metallic
TRUE
FALSE
Non-metallic MATERIALS are magnetic
TRUE
FALSE
Non-metallic cannot be magnetic
TRUE
FALSE
Electromagnets are ________
permament
induced
Electromagnets are activated by ____________
magnetism
magnetic fields
electricity
Electromagnets are ________________
objects that act like magnets when a magnetic field passes through them
objects that act like magnets when an electrical current passes through them
objects that act like electricity when an electrical current passes through them
In a circuit with a battery, coil, and nail, if we OPEN the circuit....
becomes an electromagnet
loses its magnetic force
In a circuit with a battery, coil, and nail, if the circuit IS CLOSED....
becomes an electromagnet
loses its magnetic force
Open or close circuit?
open
close
Open or close circuit?
open
close
Write 2 examples magnets in healthcare
Write 2 xamples of magnets in transport
