Grade: 7th

Formation of a Saturated Solution

In this experiment, we mix salt into water using a beaker and spoon. First, we dissolve one spoon of salt in water and stir it until it disappears. We continue adding more salt, ……..

Balloon Burst (Irreversible Change)

In this experiment, a balloon is first fully inflated by placing it on a balloon machine. Once it is inflated, we hit it with a pencil. If the pencil hits the balloon with enough force, the balloon bursts. …..

Release of air (reversible change)

This experiment demonstrates the concept of a reversible change using a balloon…..

Crystallization

This experiment demonstrates the crystallisation of copper sulphate. A few drops of dilute sulphuric acid are added to water and heated. Copper …..

Moisture in Soil

This experiment demonstrates that soil contains moisture. When a soil sample is heated in a test tube, the w………

Carbon dioxide passing through lime water (Decomposition Reaction)

In this experiment, carbon dioxide gas is produced by mixing baking soda…..

Dielectric In Electric Field

In this experiment, an electric field is created using two rods. Polar molecules rotate to align with the field,…….

Electric Fuse

In this experiment, we test how different wires behave w……….

Stem Placed In Colored Water

In this experiment, we observe how coloured water travels through the cut stem of a plant and reaches ………

Turmeric As Natural Indicator

In this experiment, we demonstrate that turmeric acts as a natural indicator by turning red when soap, a basic substance, is added.
Shopping Basket