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2017 Year 7 Science CSHS Mr Coumbe Physical Sciences - Magnetism Flashcards | StudBud
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2017 Year 7 Science CSHS Mr Coumbe Physical Sciences - Magnetism
2017 Year 7 Science CSHS Mr Coumbe Physical Sciences - Magnetism
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A #science quiz to revise #magnetism
Flashcards
19 cards
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Practice quiz
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Questions
19
Answers
1
What is the charge of an down quark?
+2/3
+1
-1
-1/3
2
What is the charge of an electron?
-1
-1/3
+1
+2/3
3
From the following diagram we can see that the direction of magnetic field lines is
around the magnet
out of the magnet
from south to north
from north to south
4
When a piece of iron becomes magnetised, the miniature magnets, or domains inside the iron
straighten out
align
get mixed up
point upwards
5
What happens when you cut a magnet in two?
End up with two magnets
You now have two problems rather than one
Its no longer a magnet
You break the laws of physics
6
What happens when you heat a magnet?
Its no longer a magnet
You now have two problems rather than one
You break the laws of physics
End up with two magnets
7
What is the charge of an proton?
+1
-1
-1/3
+2/3
8
How many poles does a magnet have?
it depends on the shape of the magnet
two
one or two
one
9
What is a domain?
Packets that have quarks pointing in the same direction
The place that you live
Packets that have electrons pointing in the same direction
Packets that have electrons in the opposite direction
10
The following picture shows that the magnetic force is
strongest in the middle of a magnet
strongest at the poles of a magnet
spread evenly around a magnet
stronger at the north pole than the south pole.
11
Magnetic field lines can be made visible by
tracing around the magnet
watching the magnet carefully
placing the magnet in water
sprinkling iron filings over the magnet
12
What is the charge of an up quark?
-1
+2/3
+1
-1/3
13
Magnetic force is an example of a
weak force
push, pull or twist
contact force
non-contact force
14
What is the following picture showing?
Iron filings around one bar magnet
Hairs on the top of a head
Lines that have been drawn around a stick
Iron filings around two bar magnets
15
The metals that can be magnetic are
Iron, nichrome or copper
Iron, nickel or cobalt
Copper only
Iron only
16
What type of magnet is found in a speaker?
An electromagnet
2 isolating electromagnets
A temporary magnet
A normal magnet
17
When a north pole of one magnet is close to a north pole of another magnet
they repel
they have no effect on each other
they attract
they add together
18
What are the two magnets doing in the following picture?
attracting
spinning
attracting and repelling
repelling
19
What is an electromagnet?
Magnet with two south poles
Any other magnet
Magnet with two north poles
A coil of wire
