easy way to teach science calculations based
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05/03/2023Authority of Mrs Savithri Perumal. S.M. St. John, Tuaran
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Kaedah Mudah Menjawab Soalan
Sains Menggunakan
Formula Segi Tiga
Pengiraan cara mudah (Model Formula Segi Tiga)
÷Multiple
Divide
x
05/03/2023Authority of Mrs Savithri Perumal. S.M. St. John, Tuaran
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FORM 1 (MATTER)
density = (g/cm³)
mass (g)volume (cm³)
m (g)
V (cm³)
d(g/cm³)
:x
05/03/2023Authority of Mrs Savithri Perumal. S.M. St. John, Tuaran
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FORM 1 (MATTER)
density = (g/cm³)
mass(g)volume (cm³)
mass (g)
volume
(cm³)
density
(g/cm³)
TINGKATAN 1 (JIRIM)
Ketumpatan = Jisim(g)Isipadu (cm³)
Jisim (g)
Isipadu
(cm³)
Ketumpatan (g/cm³)
CONTOH SOALAN PMR 2008
Metal block X has a mass of 500g and volume of 50 cm³. What is the density of metal X?
Satu blok logam X mempunyai jisim 500 g dan 50 cm³ isipadu. Berapakah ketumpatan bagi logam X?
05/03/2023Authority of Mrs Savithri Perumal. S.M. St. John, Tuaran
Mercury has density of 13.6 g/cm³. What is the volume of mercury if it has a mass of 88g ?
Ketumpatan merkuri ialah 13.6 g/cm³. Berapakah isipadu merkuri tersebut jika ia mempunyai jisim sebanyak 88g ?
Authority of Mrs Savithri Perumal. S.M. St. John, Tuaran
The density of cork is 0.25 g/cm³. What is the mass of 10cm of cork?
Ketumpatan sebuah gabus ialah 0.25 g/cm³. Berapakah jisim gabus itu jika isipadunya ialah 10cm³?
Link to Calculation
Authority of Mrs Savithri Perumal. S.M. St. John, Tuaran
FORM 2 Work done (J) = force(N) X
distance moved (m)
W(J) or Nm d(m
)f(N)
Authority of Mrs Savithri Perumal. S.M. St. John, Tuaran
05/03/2023
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POWER (W)
P (W) t (s)
Work done (J) Time (s)
W (J)
Authority of Mrs Savithri Perumal. S.M. St. John, Tuaran
05/03/2023
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FORM 3 (ELECTRICITY) Ohm’s Law
V(voltage/v)
R(resistance / (Ω)
I(current/A)
Authority of Mrs Savithri Perumal. S.M. St. John, Tuaran
TINGKATAN TIGA (ELEKTRIK) Hukum Ohm’s
Voltan (V)
Rintangan (Ω)
Arus elektrik
(A)
05/03/2023Authority of Mrs Savithri Perumal. S.M. St. John, Tuaran
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FORMULASERIES PARALLEL
Vt = V1 + V2 + V3
Rt = R1 + R2 + R3
Vt = V1 = V2 = V3
It = I1 = I2 = I3 It = I1 + I2 + I3
1 = 1 + 1 + 1Rt R1 R2 R3
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Kiraan bagi: Current/Rate of Fuse
P(Power (W)
VVoltage (v)
ICurrent (A)
Authority of Mrs Savithri Perumal. S.M. St. John, Tuaran
Kiraan bagi: Arus elektrik/Kadar fius
Kuasa (W)
Voltan (V)Arus elektrik (A)
Authority of Mrs Savithri Perumal. S.M. St. John, Tuaran
Kiraan bagi: Energy/E
Power /w Time/s
Energy/E
Authority of Mrs Savithri Perumal. S.M. St. John, Tuaran
05/03/2023
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Kiraan bagi: Cost
Power(/KW
Time/h
Energy/KWh
Authority of Mrs Savithri Perumal. S.M. St. John, Tuaran
05/03/2023Authority of Mrs Savithri Perumal. S.M. St. John, Tuaran
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Kiraan bagi: Tenaga /Kos bayaran
Kuasa (kW)
Masa (s)
Tenaga (kwh)
05/03/2023Authority of Mrs Savithri Perumal. S.M. St. John, Tuaran
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Terima kasih atasPerhatian anda
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