WorksheetsYear 8 Magnetism
Total questions: 39
Worksheet time: 23mins
which metals are magnetic? answer in alphabetical order
(a)
A permanent magnet is _ magnetic
(a)
when were magnets discovered?
600AD
600BC
1600AD
1600BC
like poles _
(a)
seeing if an object sticks to a magnet to test if it is a magnet is a good idea, yes or no?
(a)
how can you show if an object is a magnet?
a magnet has north and south written on it
one half is red and the other half is blue
only a magnet will be attracted to a known magnet
only a magnet will repel a known magnet
when the distance between two north pole of a magnet decreases the force _
(a)
when the distance between two north poles of a magnet increases the force between the poles _
(a)
when the distance between the poles of a north and south of two bar magnets decreases the force between these poles _
(a)
what type of pole does the south pole induce in its nearest end?
(a)
which pole is induced in the end farthest from the south pole of the permeant magnet?
(a)
magnetic field lines start at the _
(a)
magnetic field lines end at the _
(a)
do magnetic field lines point directly from north pole to south pole, yes or now?
(a)
magnetic field lines show the direction a _ placed at that location would point
(a)
has a north pole on its own ever been discovered?
(a)
has a south pole on its own ever been discovered?
(a)
magnetic field lines are more or less concentrated near the poles?
(a)
a high concentration of magnetic field lines shows _ magnetic field
(a)
large separation of field lines shows _ magnetic field
(a)
Which diagram / diagrams are correct
A
B
C
D
the earth's core is made from iron and _ which allows it to produce a magnetic field
(a)
the earth's magnetic field is the shape of
a bar magnet field
a horseshoe magnet field
a maglev train magnetic field
a potato field
the earth's north pole is actually a _
(a)
the earth's south pole is actually a _
(a)
the earth's magnetic field lines will start in _
the antartic
antartica
the northern hemisphere
somewhere north of Norway
the earth's magnetic field lines will end in _
somewhere south of Australia
The earth's geographic south pole
the Antartic
the equator
the earth's geographic pole and the magnetic pole are in the same place, yes or no?
(a)
the distance between the earth's geographic pole and its magnetic pole is about _ km
(a)
the magnetosphere is a region of space where the earth's magnetic field is _
(a)
the earth's magnetic field prevents the solar wind from _ our atmosphere
(a)
the northern lights is caused by the earth's magnetic field steering _ particles to the poles
heavy
magic
charged
tennis ball sized
what is another name for the northern lights?
amaising magnet light show
super particle light display
Aurora Borealis
the fake news firework display
the earth's magnetic field can reverse direction, yes or no?
(a)
when was the last time the earth's magnetic field reversed?
780,000 years ago
last week
today
78,000 years ago
7,800,000 years ago
how do we know the earth's magnetic field has changed direction?
from the cooling of stone age ice creams
it is recorded in historical record
if it hadn't reversed direction then how could the earth's north be a south?
from the cooling of lava
what theories might account for why the earth's magnetic field reversed direction?
the pounding of heavy dinosaur feet
the emission of greenhouse gases
the asteroid belt
a large asteroid hitting the earth
why are there no 'east' and 'west' poles of a magnet?
Do magnetic field lines exist in reality or do they only exist in our minds?
