Category: Text

The Progressive wave equation

Clasifying waves into longitudinal and transverse waves by:
– Using mode of vibration
– Direction of propagation.
The terms in the wave equation

Application of sound waves

Students should be able to classify musical instruments into:
• wind instruments . stringed instruments • percussion instruments
Explain the physical principles involved in the L’se of wind:- string and percussion instruments.
Use the reflection of sound to explain echoes.
Give an application of echoes.
Explian the function of bearing aids.

Human Eye

Students should be able to explain the role played by some parts of the eye in the formation of image on the retina.
Compare and contrast the eye and the camera.
State the defects of the eye and their causes.
Identify the type of lenses for correcting the various defects of the eye.

Sound waves

Students should be able to: L. identify the vibrating sources when souris-is produced.
Distinguish between:
Noise and music.
Intensity and loudness.
Pitch and Frequency CS
appllied to sound.
Explain forced Vibration and explain how it is used to amplify a sound.
Use the relationship V=fx in solving numerical problems.
Explain the formation of standing waves and produce these. waves In stretching strings.
Use resonance tube to determine the veloc.tv of sound in air.

Light waves

Students should be able to list some light sources they come across in everyday life.
Determine the angle of reflection for a given angle of incidence.
Draw ray diagrams to show the formation of images by plane and curved mirrors;
Explain some practical applications of plane and curved mirrors.
Explain how the direction of light changes as it travels from one medium into the other.
Measure angles of incidence and refraction and: hence deduce a value for the refractive index of a given materal.
Explain the meaning of critical angle and total internal reflection stating the conditions under which they occur.
Establish the relationship between critical angle and refractive index, and apply it to the solution of simple problems.
Trace light lays through a trianguiar prisrr, and obtain graphically the value of the an;is: of minimum deviation.
Obtain the spectrum of white light.
Describe the spectra if scler enerov received by earth.
Obtain irnages due to light rays through converging and diverging lenses using: ray tracks ray tracing
method.
Use the lens formular to solve nurnencai problems on lenses.

Introduction to Waves

Students Should be able to:
Classifying waves into longitudinal and transverse waves by:
– Using the mode of vibration
– The direction of propagation.
The terms in the wave equation

Molecular Theory of Matter

Students should be able to state the fundamental assumptions of tne molecular theory.
use the molecular model to explain: Pressure in a gas Cohesion and adhesion, Diffusion.

Moment 1

At the end of this lesson, the students should be able to understand Moment

Optic Reflection 1

At the end of this lesson, the students should be able to understand Optic Reflection

Motion

At the end of this lesson, the students should be able to understand Motion

Effect of pressure and impurities on melting and boiling points

Student should be able to:
Explain the relationship between the heat supplied to a substance and
(a) its temperature change at constant mass.
(b) It’s mass at constant temperature change.
Explain why there is unequal rise in temperature for different substances of the same mass supplied with the same quantity of heat.
Explain the terms, specific heat capacity and thermal capacity.
Calculate unknown quantities using the relation H = f\1C T when no chan~ of state is involved.
Determine the melting point of a solid and boiling point of a given iiquid.
List the effects of impurities and pressure on the melting point of solid and boilding point of liquid.
Solve simple problems involving latent heat
Distinguish between evaporation and boiling and explain sublimation
Explain the working principles of such common devices as :refrigerator,air conditioner,pressure cooker.
Explain the effects of humidity on personal comfort.

Heat Energy Measurements: Latent Heat

Student should be able to:
Explain the relationship between the heat supplied to a substance and
(a) its temperature change at constant mass.
(b) It’s mass at constant temperature change.
Explain why there is unequal rise in temperature for different substances of the same mass supplied with the same quantity of heat.
Explain the terms, specific heat capacity and thermal capacity.
Calculate unknown quantities using the relation H = f\1C T when no chan~ of state is involved.
Determine the melting point of a solid and boiling point of a given iiquid.
List the effects of impurities and pressure on the melting point of solid and boilding point of liquid.
Solve simple problems involving latent heat
Distinguish between evaporation and boiling and explain sublimation
Explain the working principles of such common devices as :refrigerator,air conditioner,pressure cooker.
Explain the effects of humidity on personal comfort.

Simple Machine

Simple Machine: Mechanical Energy; Conservation Principles

Heat Energy : Temperature and it’s measurement(ii)

Students should be able to:
Construct a device for measuring the temperature of a body.
Use the variation of:
(a) pressure of a gas with temperature;
(b) the expansion of solid, liquid or gas with temperature;
(c) electrical resistance of a material to measure the temperature of a body
Distinguish between heat and temperature and between temperature point and temperature intervals.
Select those liquids which are suitable for use in liquid-in-glass thermometers from a glass from a given list of liquids and their properties.
State the instrument used for measuring temperature explain the device
For measuring the temperature of an environment
Describe the absolute scale of temperature and explain the.
Meaning of the absolute zero of temperature.
Convert a given temperature on the Celsius scale to a temperature on the Kelvin scale.
Describe the kinetic molecular model of temperature.

Collision: Mechanical Energy

Students should be able to:
Calculate the kinetic and potential energy of a body.
Verify conservation of energy principles and show that the total energy is conserved for a given set of data on the energy of a particle in a conservation field.
Determine a machine and list at least five simple machines.
Define and calculate:
(A) Force ratio
(B) Velocity ratio
(C) Effiency for a simple machine and write the mathematical relationship between (a), (b) and (c).
State how friction can be reduced in the moving parts of a given machine.
Perform a simple experiment using a spring balance to determine the co-efficient of friction between two surface.