Dip a chalk in ink.what do you observe?

Take a piece of thin aluminium sheet and dip it in water in a bucket . What do you observe ? Now shape the same piece of aluminium into a small boat and place it on the surface of water . It floats , isn't it ?

Take a small stone . Hold it in your hand. What are the forces acting on the stone? Now release the stone . What do you observe? What are the forces acting on the stone after you release it ?

Take two rubber balloons. Fill one with water and blow air into the other. Now prick both balloons with a pin. What do you observe ?

Take a small stone. Hold it in your hand. What are the forces acting on the stone ? Now release the stone. What do you observe ? What are the forces acting on the stone after you release it ?

Previously you have performed the activity of observing a branch covered in a plastic bag. What did you observe in that activity?

Diagram-based questions : Which peculiarity do you observe in the figure of Metaphase -I of meiosis?

In an experiment to study the properties of ethanoic acid, a student dipped red and blue litmus papers to the solution of ethanoic acid. What would he observe?

Which fruit processing industries you observe in your surrounding? What is their effect?