Science Olympiad
Class 8


Crop Production and Management
  • Agricultural practices
  • Steps involved in cultivating a crop
  • Basic practices of crop production
  • Preparation of soil
  • Cultivator
  • Sowing
  • Adding manure and fertilizers
  • Irrigation
  • Protection from weeds
  • Harvesting
  • Storage of crops
  • Food from animals
  • Microorganism and their classification:
  • Place where microorganism live
  • Microorganism and us
  • Harmful microorganisms
  • Food preservation
  • Nitrogen fixation
  • Nitrogen cycle
Synthetic Fibres and Plastics
  • Synthetic fibres
  • Types of synthetic fibres
  • Characteristic of synthetic fibre
  • Plastics
  • Plastics as a material of choice
  • Plastic and environment
Metal and Non-metals
  • Metals, non-metals
  • Classification of elements as metals & non-metals.
  • Corrosion of iron (rusting)
  • Uses of certain metals.
  • Metalloids and their metalloids
  • Chemical properties of metals and non-metals
  • Uses of metals and non-metals
Coal and Petroleum
  • Inexhaustible and exhaustible natural resources
  • Coal
  • Petroleum
  • Natural gas
  • Some limited natural resources
Combustion and Flame
  • Combustion
  • Controlling of fire
  • Types of combustion
  • Flame
  • Fuel
  • Burning of fuels leads to harmful products: Global warming, acid rain etc.
Conservation of Plants and Animals
  • Deforestation and its causes
  • Consequences of deforestation: Drought, desertification etc.
  • Conservation of forest and wildlife
  • Wildlife Sanctuary
  • Biosphere Reserve
  • Flora and fauna
  • Endemic species
  • Endangered animals
  • Red Data Book
  • Migration
  • Recycling of paper
  • Reforestation
  • Cells and its discovery
  • Organisms show variety in cell number (multicellular, unicellular), shape and size
  • Plant cell: Cell organelles and their functions
  • Animal cell: Cell organelles and their functions
  • Diagrams of plant and animal cell
  • Only the following to be included: Cell wall, Cell membrane, Plastids, Nucleus, Vacuole, Cytoplasm – their structure and functions
  • Differences between plant and animal cells
Reproduction in Animals
  • Sexual reproduction in humans
  • Asexual reproduction
Force and Pressure
  • Force – A Push or a Pull: Definition and examples
  • Forces are due to an interaction: Examples
  • Balanced and unbalanced forces
  • Exploring forces
  • Contact forces: Muscular force, friction etc.
  • Non-contact force: Magnetic force, electrostatic force, gravitational force
  • Turning effect of force (moment of force): concept, definition and calculation
  • Pressure
  • Force of friction
  • Factors affecting friction
  • Friction: A necessary evil
  • Ways to increase and reduce friction
  • Wheels reduce friction
  • Fluid friction
  • Sliding friction, rolling friction, kinetic friction
  • Sources of sound
  • Sound as a longitudinal wave
  • Characteristics of a sound wave: Amplitude (Relate amplitude with loudness) and Frequency
  • Sound needs a medium to propagate
  • Reflection and Absorption of sound
  • Relative speed of sound in different medium
  • Sound produced by vibrating object
  • Sound produced by humans
  • Pitch and Frequency
  • Monotone
  • Amplitude, time period and frequency of a Vibration
  • Unit of loudness in decibels
  • Audible and inaudible Sounds
  • Noise and music
  • Noise pollution
Chemical Effects of Electric Current
  • Conduction of electricity through electricity
  • Chemical effects of electric current
  • Electroplating
  • Reflection of light
  • Structure and care of eye
  • Visually impaired persons can read and write with the help of braille system
  • Refraction: Definition and Examples of Refraction
  • Curved Mirrors
  • Dispersion of white light into constituent colours
Some Natural Phenomena
  • Lightning
  • Charging by rubbing
  • Types of charges and their interaction
  • Transfer of charge
  • The story of lightning
  • Do’s and Don’ts during a thunderstorm
  • Lightning conductor
  • Earthquakes
Stars and Solar System
  • Astronomy
  • Celestial objects
  • The solar system
Pollution of Air and Water
  • Air pollution
  • Water pollution

List Of Science Olympiad Exams For Class 8

  • SOF National Science Olympiad (NSO)
  • CREST Science Olympiad (CSO)
  • Silverzone International Olympiad of Science (IOS)
  • Unified Council- National Level Science Talent Search Examination (NSTSE)
  • Humming Bird Science Olympiad (HSO)
  • EduHeal National Interactive Science (NISO)
  • Indian Talent Olympiad- International Science (ISO)
  • Home Bhabha Centre for Science Education- Science Olympiad
  • Indian School Talent Search Exam (ISTSE)
  • ASSET Science
  • International Assessments for Indian Schools (IAIS) – IAIS Science
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