Welcome great EduPodian, here is your Second Term SS2 Physics Scheme of Work and the excerpt of the Second Term SS2 Physics Lesson Note.
Scheme of Work:
1 Heat energy – temperature and its measurement
2 Heat capacity and specific heat capacity
3 Calculations on specific heat capacity
4 Evaporation, boiling and melting points and their determination. Effects of impurities and pressure on boiling and melting
5 Latent heat – Fusion and vaporization
6 Vapor pressure – Saturated and unsaturated vapor pressure and its relation to boiling. Humidity ,Relative Humidity, Dew point and its relationship to weather
Mid-term project
7 Gas Laws – Boyle’s, Charles’, Pressure and General gas law
8 Production and propagation of waves
9 Properties of waves – reflection, refraction, diffraction, interference and polarization
10 Light waves – source, reflection, reflection plane and curved mirrors
11 Refraction of light – refractive index, its determination, total internal reflection and critical angle
12 Revision
13 Examination
WEEK ONE
HEAT ENERGY
Heat
Temperature
Measurement of temperature
Thermometers
Heat
Heat is a measure of total internal energy of a body. It is a form of energy due to a temperature difference. It is measured in Joule, J
Temperature
Temperature is the degree of hotness or coldness of a body. The unit of temperature is in degree Celsius (0C) or Kelvin (K)
Measurement of temperature
Temperature is measured by using thermometers. Thermometers have two reference temperatures or fixed points called the upper fixed point and lower fixed point.
The upper fixed point is the temperature of steam from pure water boiling at standard atmospheric pressure of 760mm of mercury. It is 1000C
The lower fixed point is the temperature of pure melting ice at the standard atmospheric pressure of 760mm of mercury. It is 00C
Temperature scales
The difference in temperature between the upper and lower fixed points is called fundamental interval of a thermometer. The calibration of this interval depends on any of the three scales below:
1. Celsius scale
2. Fahrenheit scale
3. Kelvin or Absolute scale
The S. I. Unit of temperature is the Kelvin. However, it is also measured in degree Celsius and Fahrenheit.
Thermometers
Thermometers are…
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