| Date post: | 21-Jan-2016 |
| Category: |
Documents |
| Upload: | theresa-walters |
| View: | 219 times |
| Download: | 0 times |
Making Earmuffs For Ms Making Earmuffs For Ms MorrisseyMorrissey
HELP I’M GOING DEAF HELP I’M GOING DEAF AHHHHHH!AHHHHHH!
HAVE NO FEARHAVE NO FEARTALISA,LISELI,ARBNOR,MOJTABA,TALISA,LISELI,ARBNOR,MOJTABA,
AFOLABI IS HEREAFOLABI IS HERE
The equipment for the super The equipment for the super scientistsscientists
Data loggers!!!
Materials
We’ve gotta make it a fair
test!
What we usedWhat we used
Bubble wrap Bubble wrap PolystyrenePolystyreneCotton woolCotton woolPlan investigation sheetPlan investigation sheetData loggerData loggerSound source (shaker)Sound source (shaker)RulerRulerscissorsscissors
What the super scientists didWhat the super scientists did
1.We had to make the 1.We had to make the material the same size.material the same size.
2.We had to be careful2.We had to be careful
Of the back ground noiseOf the back ground noise
So we went to the waterloo So we went to the waterloo room. room.
3.We then tested the 3.We then tested the materials and here are materials and here are the resultsthe results
resultsresults
SUN:23:43
Insight Graph
50
60
70
80
90
100
So
un
d_le
vel (
dB
)
0 100 200 300Time (seconds)
polystyrene 1
SUN:23:49
Insight Graph
50
60
70
80
90
100
Sou
nd_l
evel
(dB
)
0
5000
10000
15000
20000
Ligh
t (lu
x)
0 100 200 300Time (seconds)
polstyrene two
MON:00:03
Insight Graph
50
60
70
80
90
Sou
nd_l
evel
(dB
)
0
5000
10000
15000Li
ght (
lux)
0.5 1 1.5 2Time (seconds) bubble wrap
bubblewrap
SUN:22:50
Insight Graph
50
60
70
80
90
100
Sou
nd_l
evel
(dB
)
0
5000
10000
15000
20000
Ligh
t (lu
x)
0 0.1 0.2 0.3Time (seconds)
cotton wool
What we learnedWhat we learned
We learned that cotton wool is the best material We learned that cotton wool is the best material for ear muffs because there is air in it.for ear muffs because there is air in it.
The worst materiel was Polystyrene because it The worst materiel was Polystyrene because it has holes in it so the vibration flow through. has holes in it so the vibration flow through.
The second best material is bubble rap because The second best material is bubble rap because the vibrations get stuck in the holes. the vibrations get stuck in the holes.
What we would do differentWhat we would do different
Never do an experiment with a Never do an experiment with a background noise or else it will interrupt background noise or else it will interrupt the sound experiment.the sound experiment.
Furthermore never swap the person who Furthermore never swap the person who started the experiment because every started the experiment because every body has different strengths.body has different strengths.
