Science experiments for Class 8 – CBSE syllabus
- Chapter 1: Crop Production and Management
- Activity-1.1: Method for separating healthy seeds from damaged ones
- Activity-1.2: Growing seedlings with manure and fertiliser
- Activity-1.3: Food and its resources
- Chapter 2: Microorganisms: Friend and Foe
- Activity-2.1: Microorganisms
- Activity-2.2: Microorganisms
- Activity-2.3: Maida with yeast powder
- Activity-2.4: Fermentation
- Activity-2.5: Plant waste converted to manure
- Chapter 3: Synthetic fibres and plastics
- Activity-3.1: Strength of fibre
- Activity-3.2: Soaking capacity of different fibres
- Chapter 4: Materials: Metals and non – metals
- Activity-4.1: Malleability of materials
- Activity-4.2: Electrical conductivity of materials
- Activity-4.3: Testing the nature of rust
- Activity-4.4: Reaction of non-metals with oxygen
- Activity-4.5: Reaction of sodium with water
- Activity-4.6: Reaction of metals and non-metals with acids
- Activity-4.7: Reaction with bases
- Activity-4.8: Displacement reaction
- Chapter 5: Coal and Petroleum
- Activity-5.1: Natural and man made materials
- Activity-5.2: Exhaustible natural resources
- Chapter 6: Cumbustion and Flame
- Activity-6.1: Cumbustible and non-cumbustible substances
- Activity-6.2: Air is essential for burning
- Activity-6.3: Air is essential for burning
- Activity-6.4: Test for ignition
- Activity-6.5: Structure of a flame
- Chapter 7: Conservation of Plants and Animals
- Activity-7.1: Causes of deforestation
- Activity-7.2: Animal life affected by deforestation
- Activity-7.3: Locate on map, protected areas for conservation
- Activity-7.4: Factors disturbing the biodiversity
- Activity-7.5: Identify flora and fauna
- Activity-7.6: Endemic plants and animals
- Activity-7.7: visit a nearby zoo
- Chapter 8: Cell – Structure and Functions
- Activity-8.1: Amoeba and paramecium under microscope
- Activity-8.2: Egg yolk is a single cell
- Activity-8.3: Observing the basic component of the cell
- Activity-8.4: Human cheek cells
- Chapter 9: Reproduction in Animals
- Activity-9.1: Visit to a pond to observe frog’s eggs
- Activity-9.2: Make a drawing of eggs of lizard, crow etc
- Activity-9.3: Budding in hydra
- Chapter 10: Reaching the age of Adolescence
- Activity-10.1: Chart shows rate of growth in boys and girls
- Activity-10.2: Graph showing percentage of height with age
- Activity-10.3: Prepare notes on importance of cosuming iodised salt
- Activity-10.4: Identifying nutritious items of food
- Activity-10.5: Prepare a chart of food items
- Activity-10.6: Prepare a report on benefits of regualr exercise
- Chapter 11: Force and Pressure
- Activity-11.1: Identifying the actions as push or pull
- Activity-11.2: Applying force on a object
- Activity-11.3: Force applied on a ball
- Activity-11.4: Applying force on the moving ball
- Activity-11.5: The effect of force on objects
- Activity-11.6: Observing attraction and repulsion between two magnets
- Activity-11.7: Electrostatic force
- Activity-11.8: Pressure exerted by liquids and gases
- Activity-11.9: A liquid exerts pressure on the walls of the container
- Activity-11.10: Liquid exerts equal pressure at the same depth
- Activity-11.11: Atmospheric pressure
- Chapter 12: Friction
- Activity-12.1: Force of friction
- Activity-12.2: Factors affecting friction
- Activity-12.3: Factors affecting friction
- Activity-12.4: wheels reduce friction
- Chapter 13: Sound
- Activity-13.1: Sound is produce by a vibrating body
- Activity-13.2: Plucking the rubber band to produce sound
- Activity-13.3: Vibrating dish produes waves in water
- Activity-13.4: Make a musical instrument ektara
- Activity-13.5: Jaltarang
- Activity-13.6: Working of vocal cords
- Activity-13.7: Sound needs medium to travel
- Activity-13.8: Sound travelling through water
- Activity-13.9: Sound travelling through a metre scale
- Activity-13.10: Plastic can ear drum
- Activity-13.11: Loudness depends on amplitude
- Chapter 14: Chemical Effects of Electric Current
- Activity-14.1: Do liquids conduct electricity
- Activity-14.2: Testing conduction of electricity in lemon juice or vinegar
- Activity-14.3: Good or poor conducting liquids
- Activity-14.4: Distilled water conducts electricity or not
- Activity-14.5: Testing for electricity in different solutions
- Activity-14.6: Chemical effects of electric current
- Activity-14.7: Electroplating
- Chapter 15: Some Natural Phenomena
- Activity-15.1: Charging by rubbing
- Activity-15.2: Charging by rubbing on different materials
- Activity-15.3: Types of charges and their interaction
- Activity-15.4: Transfer of charge
- Activity-15.5: Prepare a short report on earth quakes
- Activity-15.6: Prepare a short report on devastation caused by tsunami in India
- Chapter 16: Light
- Activity-16.1: Laws of reflection
- Activity-16.2: Laws of reflection
- Activity-16.3: Laws of reflection
- Activity-16.4: Regular and diffused reflection
- Activity-16.5: Multiple images
- Activity-16.6: Kaleidoscope
- Activity-16.7: Sunlight white or colored
- Activity-16.8: Observing the size of the pupil
- Activity-16.9: Demonstration of blind spot
- Activity-16.10: Bird in a cage
- Chapter 17: Stars and The Solar System
- Activity-17.1: The moon
- Activity-17.2: The moon appears different at different positions in its orbit
- Activity-17.3: Moon revolves around the earth
- Activity-17.4: Objects move in the direction opposite to your motion
- Activity-17.5: Pole star does not appear to move
- Activity-17.6: Movement of constellation
- Activity-17.7: Locating the pole star
- Activity-17.8: Ursa major moves around the pole star
- Activity-17.9: Planets moves in their own orbits
- Activity-17.10: Find out from newpaper when venus is visible in the sky
- Chapter 18: Pollution of Air and Water
- Activity-18.1: Air pollution
- Activity-18.2: Conduct a survey regarding respiratory problems in your neighbourhood
- Activity-18.3: Prepare a table showing the pollutants
- Activity-18.4: Discussion on air pollution
- Activity-18.5: Collect samples of water from different water bodies
- Activity-18.6: Sewage
- Activity-18.7: Making a small water filter
- Activity-18.8: Investigate about water pollution, sewage disposal and water sources