# SS2 Physics 2nd Term

## Announcement for Students in: SS 1, SS 2 & SS 3, 2nd Term

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Week 1:

## Change of State

SUB TOPICS:
A. Concept of evaporation
B. Factors affecting evaporation
C. Molecular explanation of evaporation
D. Cooling by evaporation
E. Concept of boiling
F. Effects of pressure on boiling point
G. Effects of impurities on boiling point
H. Differences and similarities between evaporation and boiling
I. Sublimation
J. Saturated and unsaturated vapours
K. Definition of terms: humidity, relative humidity, dew point, mist, cloud and rain

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Distinguish between evaporation and boiling and give examples.
2 Explain sublimation.
3 Draw a diagram of a refrigerator.
4 Describe the operation of a pressure cooker and draw its diagram.
5 ETC

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SS2 Biology 2nd Term to get started.
Week 2:

## Galvanometer Conversion, Resistivity and Conductivity

SUB TOPICS:
A. Conversion of galvanometer to an ammeter (shunt)
B. Conversion of a galvanometer to a voltmeter (multiplier)
C. Resistivity and Conductivity
D. Solving questions on shunt, multiplier, resistivity and conductivity

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Connect a simple circuit to convert a Galvanometer to an Ammeter.
2 Describe the conversion of a galvanometer to a voltmeter.
3 convert a galvanometer to an ammeter (shunt).
4 Convert a galvanometer to a voltmeter (multiplier).
5 ETC

Week 3:

## Capacitance

SUB TOPICS:
A. Definition of capacitance
B. Capacitance of a parallel plate capacitor
C. Capacitors in series and parallel
D. Energy stored in a capacitor
E. Applications and/or uses of capacitors
F. Solving questions on capacitance

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Explain the term capacitance.
2 Calculate the equivalent capacitance for series and parallel arrangement of capacitors.
3 ETC

Week 4:

## Fields (i.e. Gravitational Fields)

SUB TOPICS:
A. Concept of gravitational field
B. Gravitational force between two masses
C. Relation between gravitational constant â€˜Gâ€™ and the acceleration due to gravity â€™gâ€™
D. Gravitational potential
E. Escape velocity
F. Solving questions on gravitational field

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Write the expression for the gravitational force between two masses and explain the meaning of each term in the expression.
2 Demonstrate the effects of gravitational field in nature by dropping objects from height.
3 Explain how gravitational force exists between the Sun and the Planets.
4 Calculate the gravitational force between two masses.
5 ETC

Week 5:

## Magnetic Fields

SUB TOPICS:
A. Concept of magnets
B. Magnetic field and its properties
C. Magnetization and demagnetization
D. Earthâ€™s magnetic field
E. Magnetic flux

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Demonstrate the effects of magnetic field using a magnet and iron fillings (nails).
2 Explain magnetic force on a moving charge in a magnetic field.
3 Plot the magnetic field around (i) a bar magnet (ii) a straight conductor carrying current (iii) a solenoid.
4 Make a magnet from a soft iron bar.
5 ETC

Week 6:

## Production and Propagation of Waves

SUB TOPICS:
A. Definition of waves
B. Types of waves
C. Propagation of mechanical waves
D. Graphical representation of transverse and longitudinal waves
E. Terms used in describing a wave
F. Mathematical relationship between frequency (f), wavelength (Î»), period (T) and wave speed (v)

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Demonstrate waves on a string.
2 Generate water wave.
3 Generate mechanical wave.
4 State the characteristics of waves.
5 ETC

Week 7:

## Mid Term Revision and Test for SS2 Physics 2nd Term

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1. The time rate of change of momentum is

2. What change in velocity would be produced on a body of mass 4 kg if a constant force of 16 N acts on it for 2 seconds ? — W2LN02

3. A stationary object of mass 4 kg is set in motion by a net force of 50 N. If the object attains a speed of 5 ms-1 in time t, calculate the value of t.Â W2LN03

4. A catapult used to hold a stone of mass 500 g is extended by 20 cm with an applied force F. If the stone leaves with a velocity of 40 ms-1, the value of F is

5. Under which of the following conditions is work doneÂ — LN02

6. A force acts on a body for 0.5 s changing its momentum from 16.0 kg ms-1 to 21.0 kg ms-1. Calculate the magnitude of the force.

7. As the tension in an elastic string is increased from 100 N to 180 N, the string extends by 10 cm. The work done in increasing the tension in the string is — LN04

8. The pressure exerted by a given mass of gas in a container

9. At what height above the ground must a body of mass 10 kg be situated in order to have potential energy equal in value to the kinetic energy possessed by another body of mass 10 kg moving with a velocity of 10m/s?
LN03

10. An elastic spring of force constant 200 N/m is stretched through 0.8 m Within its elastic limit. Calculate the energy stored in the spring.— LN05

Question 1 of 10

Week 8:

## Rectilinear Propagation of Light

SUB TOPICS:
A. Sources of light
B. Propagation of light
C. Transmission of light
D. Rectilinear propagation of light

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 List different sources of light.
2 Distinguish between ray and beam of light.
3 Demonstrate transmission of light from different sources.
4 Explain shadow formation and eclipse of the earth.
5 ETC

Week 9:

## Reflection on Plane Mirror

SUB TOPICS:
A. Concept of reflection
B. Laws of reflection
C. Image produced on plane surfaces
D. Application of reflection on plane mirrors

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Demonstrate reflection using mirror and pin.
2 Use plane mirrors to form images.
3 State the laws of reflection
4 Describe an experiment to verify the law relating the angle of incidence and the angle of reflection.
5 ETC

Week 10:

## Practical Activities on Optics

SUB TOPICS:
A. Identification of apparatus and setup
B. Revision of laws of reflection
C. Determination of angle of reflection

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Identify and setup the apparatus.
2 Read and record the readings of corresponding values on the apparatus.
3 ETC

Week 11:

## Google Classrooms & Reference Textbooks

Other Classes are Listed Below
for Physics
 SS 1 SS 2 SS 3

Scheme of Work by Topic for:
SS2 Physics 2nd Term
(Ana Arm Technologies)
Change of State
Galvanometer Conversion, Resistivity and Conductivity
Capacitance
Fields (i.e. Gravitational Fields)
Magnetic Fields
Production and Propagation of Waves
Wave Equations and Properties of Waves
Rectilinear Propagation of Light
Reflection on Plane Mirror
Practical Activities on Optics
Online Quiz
Reference Textbooks

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