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Worksheetsqυαятєя 3 яєνιєω
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
ωнαт нαρρєиѕ тσ тнє fяєqυєи¢у ιи α ωανє αѕ тнє ωανєℓєиgтн ιи¢яєαѕєѕ ?
a)
ιт ѕтαуѕ тнє ѕαмє
b)
ιт ιи¢яєαѕєѕ
c)
ιт ∂є¢яєαѕєѕ
2.
ωнαт αяє яєfℓє¢тє∂ ѕσυи∂ ωανєѕ ¢αℓℓє∂ ?
a)
∂ιffяα¢тισи
b)
αмρℓιтυ∂є
c)
є¢нσ
3.
ωнαт ιѕ тнє ∂σρρℓєя єffє¢т ?
a)
ρнєиσєиσи
b)
σραqυє
c)
∂ιѕρєяѕισи
4.
The loudness of a sound wave depends on what ?
a)
Speed
b)
Energy
c)
amplitude
5.
what do waves transfer ?
a)
Speed
b)
Energy
c)
Echo's
6.
What happens if you pit 2 north poles together ?
a)
They attract
b)
They repeal
7.
What would happen if you broke a magnet in half down the middle ?
a)
It would completely loose its magnetism
b)
They both would gain new ploes
c)
nothing
8.
Peter peregrinus De maricourt did what ?
a)
Shaved a magnet into a sphere and observed magnetic ploes
b)
Discovered the magnetic
c)
named the magnetic
9.
Does a Compass use a magnetic ?
a)
no
b)
Yes
c)
Some times
10.
What principal component is in a magnetic ?
a)
Magnetite
b)
Metal
c)
Iron
11.
What is heat transfer ?
a)
heat from the sun making something hot
b)
The exchange of thermal energy between physical systems
12.
True or false ? Radiation is an example of heat transfer
a)
false
b)
True
13.
Is global warming a type of heat transfer ?
a)
no
b)
Yes
14.
What heat transfer does a microwave use ?
a)
Conduction
b)
convection
c)
radiation
15.
What are the 3 modes of heat transfer ?
a)
Conduction , convection and radiation
b)
There are none
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