Science

Learn how gas particles move and mix through this simple activity using an incense stick. Observe how its smell spreads in the air.

Class 9 Science- Chapter 1- Matter In Our Surroundings – Activity 1.3: Observing Diffusion of Incense Stick Smell in Air Read More

This experiment demonstrates that matter is made up of tiny particles. By diluting potassium permanganate or Dettol in water, observe how the particles spread evenly even after repeated dilution.

Class 9 Science- Chapter 1- Matter In Our Surroundings – Dilution Experiment: Demonstrating the Small Size of Matter Particles Read More

Compare evaporation rates under different conditions like wind, enclosed spaces, and rainy days. Learn how surface area, temperature, and humidity affect evaporation.

Class 9 Science- Chapter 1- Matter In Our Surroundings – Activity 1.14: Exploring Evaporation Rates Under Different Conditions Read More

Study sublimation by heating camphor. Observe how a solid changes directly to a gas without becoming liquid, and notice the crystalline deposits on cooling.

Class 9 Science- Chapter 1- Matter In Our Surroundings – Activity 1.13: Sublimation Experiment with Camphor Read More

Identify solids, liquids, and gases in your surroundings. Observe their properties, like fixed shape and volume in solids, fluidity in liquids, and compressibility in gases.

Class 9 Science- Chapter 1- Matter In Our Surroundings – Activity 1.11: Observing States of Matter in Daily Life Scenarios Read More

Observe how liquids flow and maintain a fixed volume by pouring them into different-shaped containers like glasses or bowls.

Class 9 Science- Chapter 1- Matter In Our Surroundings – Activity 1.10: Investigating the Fluidity and Volume Retention of Liquids Read More

Investigate solids’ properties like definite shape, fixed volume, and incompressibility using everyday objects like a book or pen.

Class 9 Science- Chapter 1- Matter In Our Surroundings – Activity 1.9: Investigating the Properties of Solids Like Definite Shape and Incompressibility Read More

Observe surface tension by gently pressing water with your fingers. Learn how cohesive forces create a thin “film” on water’s surface.

Class 9 Science- Chapter 1- Matter In Our Surroundings – Activity 1.8: Testing the Surface Tension of Water Using Fingers Read More

Test the strength of solids like an iron nail, chalk, and rubber band. Learn how bond strength affects their properties.

Class 9 Science- Chapter 1- Matter In Our Surroundings -Activity 1.7: Testing the Strength of Bonds in Different Solids Read More

Use human chains to model the forces of attraction in solids, liquids, and gases. Observe which bonds are strongest and weakest.

Class 9 Science- Chapter 1- Matter In Our Surroundings – Activity 1.6: Modeling Forces Between Particles Using Human Chains Read More