Science

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

Compare how potassium permanganate or copper sulfate dissolves in hot and cold water. Learn how temperature affects diffusion rates.

Class 9 Science- Chapter 1- Matter In Our Surroundings – Activity 1.5: Comparing Diffusion Rates of Potassium Permanganate or Copper Sulfate in Hot and Cold Water Read More

Use ink and honey to observe how particles diffuse and intermix in water. See how ink spreads quickly, while honey dissolves more slowly.

Class 9 Science- Chapter 1- Matter In Our Surroundings – Activity 1.4: Adding Ink and Honey to Water to Observe Diffusion and Intermixing Read More