201920 8 Physics Sreeja
Table of Contents
|
June
Units and measurements
- Stories of ancient units
- Discussion of units prevalent in one’s local areas/ village, research on the different measuring devices especially old ones, unit conversion between the ancient units and the units used nowadays
- Introducing metric system
- Interconversion of units of fundamental quantities such as length, mass and time.
Force and Pressure (Recap of concepts of force learned last year, detailed discussions of pressure)
- Force
- Effects of force
- Contact forces
- Non-contact forces
- Pressure
- Atmospheric pressure
Weather and climate (As an application of force and pressure)
- Wind
- Cyclones and storms
July
Energy
- Law of conservation of energy
- Sources of energy
- Renewable and non-renewable energy sources
- Judicious use of energy
Simple machines (As an application of energy, work and force )
- Identifying simple machines in a compound machine (eg: sewing machine, mixer, grinder etc)
- Demonstration and description of mechanical advantage
August
States of matter
- Recap of different states of matter that is observed in nature
- States of matter such as plasma which is there in stars
- 'Where does matter come from??' leading to the discussion of next chapter.
Star formation and planet formation (Discussion of origin of everything we see)
- Life cycle of stars
- Accretion disk model of planet formation
Seasons on earth
- What made life possible on earth unlike other planets?
- Cause of seasons on earth
- Seasons on other planets in solar system
September
Properties of matter
- Solids
- Cohesive force
- Arrangement of molecules
- Liquids
- Liquids
- Surface tension
- meniscus
- Conduction and Convection
- Fluid pressure
- Archimedes principle
- Gases
- Atmospheric pressure
- Vacuum
- Vacuum pump
- Lift pump
Friction
- Force of Friction
- Factors affecting friction
- Friction - necessary evil
- Ways of increasing and reducing friction
Sound
- Sound produced by vibration
- Sound needs a medium for propagation
- Human ear
- Amplitude and frequency
- Loudness and pitch
- Infrasonic and ultrasonic sounds
- Noise and music
- Noise pollution
October, November
Static electricity
- Charged atoms
- The electroscope
- Induction of charges
- Electrical conductors and insulators
- Lightning
- Applications of static electricity
Magnetism
- Recap of poles, attraction and repulsion
- Multiple tiny magnets lining up model
- Natural magnets and Electromagnets
December
Effects of electric current
- Electrolysis and electroplating
- Electromagnets
- Electromagnetic induction
- Heating effect
January
Structure of earth
- Composition of different layers
- Earth’s magnetism
- Natural phenomena (lightning, earthquake, volcanoes)
February
Light
- Laws of reflection
- Reflection and vision
- Irregular reflection
- Convex and concave mirrors - image formation
- Pinhole camera with ray diagram
- Refraction (qualitative)
- Dispersion
- Ray diagram (Optional : only to those who are interested)
March
- Revision