Science Olympiad
Class 7

Syllabus

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