Glycerin prevents the onion peel from drying and keeps it stuck to the slide. It also provides clarity and allows easy viewing of cell structures under the microscope. Class 8 Science Curiosity Grade 8 Chapter 2 The Invisible Living World Beyond ...
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Safranin is a red dye used to stain onion peel cells. It makes the cell walls, nucleus and other parts visible under the microscope by providing contrast against the transparent background. Class 8 Science Curiosity Textbook Chapter 2 The Invisible Living ...
A magnifying glass bends light through a convex lens, enlarging the view of small organisms. It allows our eyes to see details that would otherwise remain invisible or unclear. Class 8 Science Curiosity Textbook Chapter 2 The Invisible Living World – ...
This activity demonstrates the principle of magnification. It shows how curved glass surfaces filled with water can bend light to enlarge the appearance of objects like letters in a book. Class 8 Science Curiosity Textbook Chapter 2 The Invisible Living World ...
Water, due to its curved shape in the flask, bends light rays inward. This creates a magnified image of the object below, just like a convex lens does in a magnifying glass. class 8 science chapter 2 the invisible living world ...