Science Olympiad
Class 7


Module 1 Nutrition in Plants and Animals
Unit 1 Nutrition in plants and its types
Unit 2 Autotrophic nutrition in plants
Unit 3 Experimental investigation
Unit 4 Synthesis of food other than carbohydrates by plants
Unit 5 Heterotrophic nutrition
Unit 6 Heterotrophic nutrition in plants
Unit 7 Saprotrophs
Unit 8 Replenishing nutrients in the soil
Unit 9 Nutrition in amoeba, hydra and frog
Unit 10 The human digestive system
Unit 11 Ruminants
Module 2 Fibre to Fabric
Unit 1 Climate and Clothes
Unit 2 Natural fibres
Unit 3 Vegetable fibre
Unit 4 Animal fibre
Unit 5 Wool
Unit 6 Types of wool
Unit 7 From hair to wool
Unit 8 Silk
Unit 9 Life cycle of a silk moth
Unit 10 Sericulture
Unit 11 Health conditions of workers in the wool and sericulture industry
Unit 12 Sorter’s disease
Unit 13 Respiratory disease
Unit 14 Scabies and other skin infections
Module 3 Heat
Unit 1 Heat as a form of energy and its units, joule(J) and calorie (cal)
Unit 2 Temperature
Unit 3 Different units of Temperature (°C, °F, K)
Unit 4 Conversion from one scale to another
Unit 5 Measuring temperature
Unit 6 The laboratory thermometer
Unit 7 The clinical thermometer
Unit 8 Effects of Heat
Unit 9 Change in temperature
Unit 10 Change in size (Expansion and contraction)
Unit 11 Change in state
Unit 12 Good conductors and bad conductors of heat and their examples
Unit 13 Choice of conductors and insulators in day to day life (Pan handles, metal cooking utensils etc.)
Unit 14 Methods of Heat Transfer
Unit 15 Conduction
Unit 16 Convection
Unit 17 Radiation
Unit 18 Thermos Flask: (Application of heat transfer)
Module 4 Acid, Bases and Salts
Unit 1 Acids- types, properties and uses
Unit 2 Bases- types, properties and uses
Unit 3 Salts- preparation, properties and uses
Unit 4 Testing for acids and bases
Module 5 Physical and Chemical Changes
Unit 1 Chemical change - formation of a new product with new properties
Unit 2 Differentiating between physical and chemical change
Unit 3 Classification as physical & chemical change
Unit 4 Characteristics of chemical reactions
Unit 5 Evolution of a gas
Unit 6 Change of colour
Unit 7 Formation of precipitate
Unit 8 Change in energy
Unit 9 Change of state
Unit 10 Types of chemical reactions
Unit 11 Combination reaction
Unit 12 Decomposition reaction
Unit 13 Single displacement reaction
Unit 14 Double displacement reaction
Unit 15 Oxidation and reduction reactions
Unit 16 Separating a solid from a solution
Unit 17 By evaporation
Unit 18 Crystallisation
Module 6 Weather, Climate and Adaptations of Animals to Climate
Unit 1 Weather
Unit 2 Elements of weather
Unit 3 Predicting the weather
Unit 4 Climate
Unit 5 Effect of the sun on climate
Unit 6 Climate and adaptation
Unit 7 Adaptation of animals
Unit 8 Adaptations to cold climates
Unit 9 Adaptation to hot climates-deserts
Unit 10 Adaptation to hot and wet climates-tropical rainforests
Module 7 Winds, Storms and Cyclones
Unit 1 Air pressure
Unit 2 Power of air pressure
Unit 3 Air exerts pressure in all directions
Unit 4 High speed wind causes reduced pressure
Unit 5 Air expands on heating
Unit 6 Wind currents
Unit 7 Wind currents due to uneven heating between equator and poles
Unit 8 Wind currents due to uneven heating of land and water
Unit 9 Thunderstorms, cyclones and tornadoes
Unit 10 Cyclone forecasting and warning
Module 8 Natural Resources and Their Conservation
Unit 1 Our natural resources
Unit 2 Renewable and non-renewable resources
Unit 3 Water - a renewable resource
Unit 4 Shortage of water
Unit 5 States of water
Unit 6 Water cycle
Unit 7 Groundwater
Unit 8 Water conservation
Unit 9 Forest wealth
Unit 10 Prevent floods and maintain the water table
Unit 11 Prevent soil erosion
Unit 12 Supply oxygen
Unit 13 Absorb carbon dioxide
Unit 14 Cool the air and increase rainfall
Unit 15 Provide food and shelter for wildlife
Unit 16 Forests products
Unit 17 Plants also depend on animals
Unit 18 Producers, consumers and decomposers
Unit 19 Food chain
Unit 20 Balance in nature
Unit 21 Forest conservation
Unit 22 Wastewater and sewage
Unit 23 Importance of drainage and sanitation
Unit 24 The sewage system
Unit 25 Sewage treatment
Unit 26 Wastewater treatment plant
Unit 27 Better housekeeping practices
Unit 28 Alternate methods for sewage disposal
Module 9 Respiration in Organism
Unit 1 Respiration in plants
Unit 2 Root respiration
Unit 3 Respiration in animals
Unit 4 Through cell membrane or skin
Unit 5 Through air holes
Unit 6 Through gills
Unit 7 Through lungs
Unit 8 The respiratory system in humans
Unit 9 Breathing in
Unit 10 To the lungs
Unit 11 In the lungs
Unit 12 How air enters the lungs
Unit 13 Cellular respiration
Unit 14 Types of respiration
Unit 15 Aerobic respiration
Unit 16 Anaerobic respiration
Unit 17 Difference between combustion and cellular respiration
Unit 18 Difference between breathing and cellular respiration
Module 10 Transportation in Plants and Animals
Unit 1 Transportation of materials in plants: Vascular system, xylem, phloem, osmosis
Unit 2 Transportation of water and minerals
Unit 3 Transportation of food
Unit 4 Transportation of materials in animals
Unit 5 Transportation in humans
Unit 6 Heartbeat and pulse
Unit 7 Excretion
Unit 8 Excretion in animals
Unit 9 Excretion in humans
Unit 10 Sweating
Module 11 Reproduction in Plants
Unit 1 Asexual reproduction in plants
Unit 2 Fragmentation
Unit 3 Budding
Unit 4 Spore formation
Unit 5 Vegetative reproduction in plants
Unit 6 Artificial methods of vegetative reproduction
Unit 7 Grafting
Unit 8 Cutting
Unit 9 Layering
Unit 10 Tissue culture
Unit 11 Advantages of vegetative reproduction
Unit 12 Sexual reproduction
Unit 13 Sexual reproduction in plants
Unit 14 Pollination
Unit 15 Fertilization
Unit 16 Seed formation
Unit 17 Fruit formation
Unit 18 Dispersal of seeds
Unit 19 Germination of seeds
Module 12 Motion and Time
Unit 1 Measurement
Unit 2 Measurement of time
Unit 3 Simple pendulum
Unit 4 Sand clock and sundial
Unit 5 Motion as a change in position of an object with respect to time
Unit 6 Types of motion
Unit 7 Translatory
Unit 8 Circulatory
Unit 9 Oscillatory
Unit 10 Repetitive (Periodic and Non-Periodic)
Unit 11 Random
Unit 12 Uniform and non-uniform motion
Unit 13 Weight
Unit 14 Concept
Unit 15 Differences between mass and weight
Unit 16 Speed
Unit 17 Distance-time graph for uniform motion
Module 13 Electric Current and its Effect
Unit 1 Electric current and electric circuits
Unit 2 Components of an electric current
Unit 3 Circuit diagram
Unit 4 Electric current as a flow of charges
Unit 5 Electric cell as source of electricity
Unit 6 Resistors as components that oppose the flow of current
Unit 7 Simple electric circuit - Series and Parallel
Unit 8 Battery as a collection of cells connected in series
Unit 9 Good and Bad conductors of electricity
Unit 10 Potential difference
Unit 11 Effects of electric current
Unit 12 Heating and lighting effect
Unit 13 The electric fuse is based on the heating effect of current
Unit 14 Magnetic effect
Unit 15 Solenoid
Unit 16 The electromagnet
Unit 17 Uses of electromagnet
Unit 18 Test for a magnet (by repulsion)
Module 14 Light
Unit 1 Rectilinear propagation of light
Unit 2 Reflection of light: Definition and examples
Unit 3 Terms related to reflection - Normal, plane, point of incidence, angle of incidence, angle of reflection
Unit 4 Laws of Reflection
Unit 5 Real and virtual images
Unit 6 Plane mirror
Unit 7 Uses
Unit 8 Ray Diagram (no mention of virtual image)
Unit 9 Characteristics of the image formed (Lateral Inversion, same size, distance is preserved)
Unit 10 Spherical mirrors: Concave mirror, Convex mirror
Unit 11 Principal focus
Unit 12 Image formed by a spherical mirror
Unit 13 Uses of spherical mirror
Unit 14 Differences between images formed by plane, concave and convex mirror
Unit 15 Speed of light (3 X 108 m/s)
Unit 16 Primary colours (RGB)
Unit 17 Formation of secondary colours by colour addition
Unit 18 Appearance of colour of an object (Based on reflection and absorption)
Unit 19 Colour subtraction
Unit 20 Lenses
Unit 21 Terms related to lenses
Unit 22 Principal focus and focal length
Unit 23 Image formed by a lens
Unit 24 The spectrum
Unit 25 Rainbow
Unit 26 Prism

List Of Science Olympiad Exams For Class 7

  • 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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