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LESSON NOTE ON SS3 PHYSICS FOR FIRST TERM

Lesson Note on Physics SS3 FirstTerm

 SCHEME OF WORK

Week 1 – Waves

Week 2 – Energy and society

Week 3 – Properties of wave

Week 4 – Gravitational field

Week 5 – Electric Field

Week 6 – Concept of electric field

Week 7 – Current electricity

Week 8 – Electrical energy and power shunt and multiplier, resistivity and conductivity.

Week 9 – Magnetic field

Week 10 – Electromagnetic field

Week 11 – Simple A.C. circuits

Week 12 – Examination

Week 13 – Examination

 

Physics Lesson Note For SS3(First Term) 

Below are the 2022 complete Physics lesson notes for SS3 First Term

 Week 1 – Waves

Overview – There are mechanical waves and there are electromagnetic waves. Mechanical waves are waves that require a material medium for their propagation while electromagnetic waves are waves that do not require a material medium for propagation. When the waves of the magnetic and electric fields combine and are mutually at right angles to each other, electromagnetic (EM) waves arise.   This week, we shall learn about waves – electromagnetic waves and the electromagnetic spectrum which refers to the entire range of electromagnetic waves. We shall also learn about the uses of the types of waves that make up the electromagnetic spectrum. To learn more, Click here         

Week 2 – Energy and society

Overview – In human society, the term “energy” is synonymous to energy resources. Man uses these energy resources to carry out activities such as heating up homes, power transportation, etc. There are several sources of energy which have been classed into renewable (can be replenished) and non-renewable sources of energy (cannot be replenished). Examples of sources of energy include solar, nuclear, wind, geothermal energy and so on. These energy sources are very beneficial to man but they can also be harmful to man and the environment. This week, we shall learn about energy sources – their uses and impact on the development of a nation. We shall also learn about some energy concepts such as energy conservation, energy diversification and energy crisis. To learn more, Click here          

Week 3 – Properties of wave

Overview – All waves have the properties – of reflection, refraction, diffraction and interference. When waves travel to the end of a medium, they do not just stop, rather they show these properties. Diffraction is a property of waves that involves the ability of waves to bend around obstacles in their path or pass through small openings. Interference occurs when two waves occupy the same space at the same time and it brings about the principle of superposition. This week, we shall learn about the properties of waves – diffraction and interference (of light and sound waves). We shall also learn about the polarization of light. Polarization is a phenomenon whereby a wave whose vibrations are only in one plane is polarized. Only transverse waves can undergo polarization. To learn more, Click here            

Week 4 – Gravitational field

Overview – Gravitational field is a region or space around a mass in which the gravitational force of the mass can be felt. The earth exerts a gravitational force that attracts objects to the centre of the earth. This week, we shall learn about the gravitational field. We shall also learn about escape velocity which describes the minimum velocity needed by an object so that it can escape the gravitational influence of an astronomical body permanently. To learn more, Click here          

Week 5 – Electric Field

Overview – Electric field is a region where a charged body experiences an electric force. This week, we shall learn about the electric field and Coulomb’s law. To learn more, Click here

Week 6 – Concept of electric field

Overview – This week, we shall learn more about the electric field, capacitors, an electronic device for storing charge and capacitance as well as the arrangement of capacitors (series and parallel). To learn more, Click here          

Week 7 – Current electricity

Overview – Current electricity is the steady flow of electrons. A continuous flow of charges is produced from the primary and secondary cell. Primary cells are those from which current is produced as a result of non-reversible chemical changes while secondary cells are cells whose chemical actions can be reversed. This week, we shall learn about current electricity (from primary and secondary cells). We shall also learn about some examples of primary and secondary cells. To learn more, Click here            

Week 8 – Electrical energy and power shunt and multiplier, resistivity and conductivity

Overview – This week, we shall dive even deeper into the concept of the electric field. We shall learn about basic electric measurements – resistivity and many more. To learn more, Click here           

Physics Lesson Note For SS3 (First Term)

 Week 9 – Magnetic field

Overview – Magnetic field has a region around a magnet in which the influence of the magnet can be felt or detected. Magnets are objects that produce magnetic fields. They have both North and South poles. This week, we shall learn about the magnetic field, how magnets can be formed, demagnetization and the earth’s magnetic field. To learn more, Click here              

Week 10 – Electromagnetic field

Overview – Electromagnetic field is a field representing the joint interaction of electric and magnetic fields. It is a property of space caused by the motion of an electric charge and it exerts a force on charged particles. This week, we shall learn about the electromagnetic field. To learn more, Click here              

Week 11 – Simple A.C. circuits

Overview – A.C. is an abbreviation for alternating current. A.C. circuits allow alternating currents to flow through them. They applied for several purposes such as power transmission, medicine, telecommunication, etc. This week, we shall learn about A.C. circuits. To learn more, Click here              

Week 12 – Examination

Overview – This week, there will be a revision on all the topics covered this term, from waves to simple A.C. circuits. We shall also be examined all we have learned this term.

Week 13 – Examination

Overview – This week, we shall be examined all we have learned this term.

 

 

 

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