Erudite Labs
Class 8 Lab Activities List
Class 8 Physical Science:
Session – 1:
Chapter 1: Force
- Observing the magnetic force and magnetic field
- Observing electrostatic forces.
- Finding gravitational force using newton meter
- Density of body using Newton meter
- Frictional force and importance of friction
- Limiting force that can be borne by a string
- Effect of Force on a body
Chapter 2: Friction
- Friction and static friction
- Friction with respect to different surfaces using newton meter
- Methods of reducing friction
Session – 2:
Chapter 3: Synthetic Fibers And Plastics
- Thermoplastic and thermosetting plastics by flame test
- Polymer formation
Chapter 4: Metals and non-metals
- Comparing different types of Metals
- Sonority, Ductility and Malleability of metals
- Electrical conductivity of Metals and Nonmetals
- Thermal conductivity of Metals and Nonmetals
- Reaction of oxygen with metals and non-metals
- pH test of Metals and Nonmetal products
- Reaction of Acid with metals oxides
- Reaction of Bases with metals
Session – 3:
Chapter 5: Sound
- Observing vibrations of sound
- Production of sound
- Propagation of Sound through different medium
- Demonstrating types of sound wave propagation
- Demonstrating wavelength, amplitude, time period and frequency.
- Sound reflection
- Amplification of sound using Stethoscope and working principle
Chapter 7: Coal and petroleum
- Flammable and Inflammable Substances
- Burning test of fuels
- Distillation of fuels
- Separation of fuels
- Heating high quality coal (carbon content is more) the evolved gas burns.
- Test for gas liberated on combustion of fuels.
Chapter 8: Combustion, Fuels And Flame
- Importance of Oxygen in Combustion
- Ignition temperature
- structure of the flame for different metals
Session – 4:
Chapter 6: Reflection of light by plane surfaces
- Explanation on reflection of light.
- Plane Mirror
- Spherical mirrors
- Concave
- Convex
- Rule of Plane mirror using laser
- Rules of Concave mirror using laser
- Rules of Concave mirror using laser
Chapter 9: Electricity
- Components of electric circuit and their role in circuit
- Parallel Circuits of
- Bulbs
- Resistors
- Batteries
- Parallel Circuits of
- Bulbs
- Resistors
- Batteries
- Electric current on potato
- Make your own cell
- Electroplating
- Resistance of Conductor Varies with
- Length
- Area of cross section
- Nature of material
- Temperature
- Household devices in parallel and series circuits
Chapter 10: Natural Phenomenon (Magnetism)
- Magnetic field around
- Bar magnet
- Disc Magnet
- Horseshoe shaped Magnet
- Oersted experiment
- Lines of magnetic field around Current carrying conductor.
- Linear
- Loop
- Solenoid
- Magnetic field due to straight wire carrying current
- Magnetic field due to wire loop carrying current
- Magnetic field due to solenoid carrying current
- Force applied on a current carrying wire by an Magnet
Class 8 Biological Science:
Session – 1:
Chapter 1: What is Science?
- Observing a variety of microorganisms under a microscope.
Chapter 2: Cell – The Basic Unit of Life:
- Construction of simple microscope
- Structure of plant cell using Plastic model and microscopic observation
- Structure of plant cell using Plastic model and microscope
- Slide making and Observing Cheek cell under microscope
- Slide making and Observing Onion Peel under microscope
- Observing Cell division under microscope
- Transverse Section of Stem
- Transverse Section of Root
- Transverse Section of Leaf
Session – 2:
Chapter 3: The World of Microorganisms I & II
- Blood groups and blood test
- Observing Coccus, Bacillus, Lactobacillus under microscope
- Observing Rhizopus (Bread moulds) under microscope
- Observing Amoeba, Vorticella, Penicillium, Aspergillus, Paramecium, under microscope
- Observing Chlamydomonas, Spirogyra and Diatom under microscope
- Preparation of compost and vermicomposting
Session – 3:
Chapter 4: Respiration
- Budding in Hydra.
- Amoeba and Binary Fission in Amoeba
- TS of Flower, Male and Female flower parts
- TS of Flower using Plastic Model
- Human Male Reproductive system using Plastic Model
- Human Female Reproductive system using Plastic Model
Chapter 6: Biodiversity and its Conservation
- Short Movie on Biodiversity and its Conservation
Chapter 7: Ecosystem
- Short Movie on Ecosystem
Chapter 8 & 9: Production of Food from Plants & Animals
- Short Movie on Production of Food from Plants and Animals
Session – 4:
Chapter 10: Not for Breathing Not for Drinking
- pH Scale
- pH of Acids, Bases
- pH of water and aerated drinks
- Natural and artificial indicators
- Importance of ph in tooth decay and digestive system.
- pH of mouth
- Action of saliva on flour
Chapter 11: Why do we fall ill?
- Microscopic observation of pond water
- Short Movie on Infectious diseases
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