What Will You Learn?

• Lab Manual Class 7th is based on latest NCERT and CBSE.
• 1. Testing acidity and basicity using natural indicators.
• 2. Classifying Materials as Conductors or Insulators
• 3. Observing rust formation on iron nails
• 4. Differentiating Physical and Chemical Changes Using Flour and Water.
• 5. Classifying food items by nutrients and understanding their role in adolescent development.
• 6(i). To show how heat causes movement in liquids by heating water with food colouring and watching the coloured currents rise and fall. (ii) Testing heat transfer in materials — metal, plastic, and wood.
• 7. Measuring average speed of a toy car.
• 8. Demonstrating saliva’s role in starch digestion using iodine solution.
• 9(i). Demonstrating the role of sunlight in photosynthesis. (ii) Demonstrating that plants release carbon dioxide during respiration.
• 10. Demonstrating that light travels in a straight line.
• 11(i) Demonstrating how the tilt of Earth’s axis leads to seasons. (ii) Modelling a solar eclipse using balls and a light source. (iii) Modelling a lunar eclipse using classroom objects.