Here is the scheme of work for the Senior Secondary School 1 class, for the first term, second term and third term. Please note that the scheme of work can vary by location/state and can be updated by the education body as they see fit.

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**SCHEME OF WORK FOR SS1 PHYSICS FIRST TERM**

**Week 1:** Introduction to Physics and Measurement

- Definition and branches of physics

- Fundamental quantities and their units

- Measurement techniques and instruments

- Accuracy, precision, and significant figures

- Scientific notation and unit conversions

**Week 2**: Scalar and Vector Quantities

- Definition of scalar and vector quantities

- Differentiating between scalars and vectors

- Addition and subtraction of vectors

- Resolution of vectors into components

- Vector multiplication (dot product and cross product)

**Week** **3**: Motion 1

- Definition of Motion and Types

- Displacement, velocity, and acceleration

- Graphical analysis of motion (distance-time, speed-time graphs)

**Week** **4**: Motion 2

- Equations of motion (constant acceleration)

- Free fall and projectile motion

- Applications and examples of motion in a straight line

**Week** **5**: Forces

- Introduction to forces

- Contact and non-contact forces

- Equilibrium of forces

**Week** **6**: Laws of Motion

- Newton's laws of motion

- Inertia and mass

- Applications of Newton's laws (friction, tension, normal force)

**Week** **7**-**8**: Work, Energy, and Power

- Definition of work and energy

- Work-energy theorem

- Kinetic and potential energy

- Power and its units

- Conservation of mechanical energy

**Week 9-10**: Pressure and Properties of Matter

- Introduction to pressure

- Pressure in fluids (Pascal's principle)

- Atmospheric pressure and barometers

- Buoyancy and Archimedes' principle

- Properties of matter (density, specific gravity)

**SCHEME OF WORK FOR SS1 PHYSICS SECOND TERM:**

**Week 1**: Light and Optics

- Introduction to light and its properties

- Reflection of light (laws of reflection, plane mirrors)

- Refraction of light (laws of refraction, lenses)

- Optical instruments (microscopes, telescopes)

- Applications of optics in daily life

**Week** **2**: Sound and Waves

- Introduction to sound waves

- Characteristics of sound (pitch, frequency, amplitude)

- Wave properties (wavelength, period, speed)

- Reflection, refraction, and diffraction of sound waves

- Applications of sound waves (music, communication)

**Week 3-4**: Electricity and Circuits

- Electric charge and current

- Ohm's law and resistors

- Series and parallel circuits

- Electric power and energy

- Safety precautions in electrical circuits

**Week** **5**-**6**: Magnetism and Electromagnetism

- Introduction to magnetism

- Magnetic fields and forces

- Permanent magnets and electromagnets

- Electromagnetic induction

- Applications of electromagnetism (generators, transformers)

**Week 7-8**: Heat and Thermodynamics

- Introduction to heat and temperature

- Thermal expansion and contraction

- Heat transfer (conduction, convection, radiation)

- Laws of thermodynamics

- Applications of thermodynamics in everyday life

**Week** **9-10**: Atomic Structure and Radioactivity

- Introduction to atoms and atomic structure

- Subatomic particles (protons, neutrons, electrons)

- Atomic models (Bohr model, quantum mechanics)

- Radioactivity and nuclear decay

- Applications and uses of radioisotopes

**SCHEME OF WORK FOR SS1 PHYSICS THIRD TERM:**

**Week** **1**-**2**: Wave Optics

- Interference of light waves

- Young's double-slit experiment

- Diffraction of light waves

- Single-slit diffraction

- Polarisation of light

**Week** **3**-**4**: Electricity and Magnetism

- Electric circuits and Kirchhoff's laws

- Capacitors and capacitance

- Magnetic fields and forces on charged particles

- Electromagnetic induction and Faraday's law

- Transformers and their principles of operation

**Week 5-6**: Heat and Thermodynamics

- Thermal equilibrium and temperature scales

- Heat transfer (conduction, convection, radiation)

- Laws of thermodynamics (first and second laws)

- Heat engines and efficiency

- Refrigeration and the Carnot cycle

**Week** **7-8**: Modern Physics

- Introduction to modern physics

- Quantum theory and energy quantization

- Photoelectric effect and Einstein's explanation

- Dual nature of light and matter (wave-particle duality)

- Atomic and nuclear structure (Bohr model, isotopes)

**Week** **9**-**10**: Space Physics and Astronomy

- The solar system and its components

- Celestial bodies (stars, galaxies, comets, asteroids)

- Hubble's law and the expanding universe

- The Big Bang theory and cosmic microwave background

- Space exploration and its significance

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