7th
Grade: 7th
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, ……..
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. …..
This experiment demonstrates the concept of a reversible change using a balloon…..
This experiment demonstrates how to test for the presence of protein in various food items. Select a small quantity of a food sample such as paneer, dal, egg, or milk and place it on……..
This experiment demonstrates the crystallisation of copper sulphate. A few drops of dilute sulphuric acid are added to water and heated. Copper …..
This experiment demonstrates that soil contains moisture. When a soil sample is heated in a test tube, the w………
In this experiment, carbon dioxide gas is produced by mixing baking soda…..
In this experiment, an electric field is created using two rods. Polar molecules rotate to align with the field,…….
In this experiment, we test how different wires behave w……….
In this experiment, we observe how coloured water travels through the cut stem of a plant and reaches ………
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