Solids, Liquids, and Gases
ρ =m/V P =F/A P =hρg
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- Distance, displacement, speed, velocity, and acceleration
- Plotting and interpreting Distance-Time and Velocity-Time graphs (calculating gradient
for speed/acceleration and area under the curve for distance)
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- Newton’s Three Laws of Motion.
- Weight (W =mg)and the difference between mass and weight.
- Terminal velocity in fluids (Drag and Air Resistance).
- Hooke’s Law (F =kx), elastic vs. plastic deformation.
- Vector Addition: Resultant forces using scale drawings or trigonometry.
Center of gravity, principle of moments (M=f x d), and stability
Conservation of momentum, (p=mu), and force as the rate of change of momentum.
Magnetism and Electromagnetism
Magnetism: Magnetic field patterns and induced magnetism
Electromagnetism: Right-hand grip rule and solenoids.
The Motor Effect: Fleming’s Left-Hand Rule and DC motor construction.
Faraday’s Law and Lenz’s Law; AC Generators (Alternators) vs. DC Dynamos.
Step-up and step-down transformers; efficiency and power transmission (P= IV)
Radioactivity and Particles
Protons, neutrons, electrons, and isotopes.
Properties of Alpha, Beta, and Gamma radiation.
Balanced nuclear equations and Half-life calculations.
Sterilization, tracers, carbon dating vs. tissue damage and mutation.
Fission (Chain reactions and control rods) and Fusion (Conditions in stars).
Astrophysics (Board Nuances)
Orbits of planets, comets, and satellites; orbital speed
Life cycle of stars based on mass (Nebula to Black Hole/White Dwarf).
The Big Bang theory, Red-shift (Doppler shift in light), and Cosmic Microwave
Background Radiation (CMBR).