Senior Secondary 3 | Physics

First Term

Objective: Investigate the impact of how energy is used on society

Action steps

1. Identify the sources of energy

2. Distinguish between renewable and non-renewable sources of energy

3. Identify the various ways energy is used

4. Explain the importance of energy in the development of society

5. Explain the impact/effect of energy use on the environment

6. Identify energy sources that are environmentally friendly and those that are hazardous to the environment

Objective: Investigate the conversion of energy

Action steps

1. Identify the different forms of energy and state how these forms of energy can be con-verted from one form to another

2. Use simple devices to convert one form of energy to another

Objective: Investigate the properties of light waves

Action steps

1. State and explain four properties of light waves

2. Demonstrate interference of light waves

3. Demonstrate polarization of light waves

4. Demonstrate diffraction of light waves

Objective: Investigate electromagnetic waves

Action steps

1. Distinguish between electromagnetic waves and mechanical waves

2. List six radiation waves in the electromagnetic spectrum in order of increasing frequency

3. State some uses of electromagnetic waves

4. Apply the formula v = ƒλ to solve simple problems relating to electromagnetic waves

Second Term

Objective: Investigate the electromagnetic field

Action steps

1. Identify the directions of current and magnetic field

2. Explain the action of a loop wire carrying current in a magnetic field

3. Explain the basic working principle of the galvanometer and the electric motor

4. State and explain Faraday’s law of electromagnetic induction

5. State and explain the implications of Lenz’s law

6. Explain how the conservation principle is involved in both laws for electric charge and energy

7. Explain the principle underlying the production of direct and alternating current

8. Describe some of the uses of induction coils and transformers

9. Explain why the cores of the induction coil and the transformer are laminated

Objective: Investigate simple alternating current circuits

Action steps

1. Explain what is meant by peak and root-mean-square values of alternating current

2. Describe the phase relationship between current and potential difference in an alternating current circuit

3. Explain what is meant by reactance and impedance

4. Measure the value of current in an alternating current circuit containing resistance

5. Measure the value of current in an alternating current circuit containing capacitance

6. Measure the value of current in an alternating current circuit containing inductance

7. Measure the value of power in an alternating current circuit

Objective: Discuss some of the models of the atom

Action steps

1. State and discuss what chemical evidence there is for the existence of an atom

2. State and discuss what experimental evidence for believing that matter is electrical in na-ture

3. Describe the Bohr and Rutherford models of the atom

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