If the invisible world became visible, we might see countless tiny organisms everywhere—on skin, in the air and on objects. It would reveal how rich, active and interconnected life is beyond our sight. Class 8 Science Curiosity Chapter 2 The Invisible ...
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Magnifying glasses and microscopes helped scientists observe microbes, cells and other microscopic structures. They enabled discoveries that advanced medicine, biology and hygiene by revealing invisible living organisms. Class 8 Science Grade 8 Chapter 2 The Invisible Living World: Beyond Our Naked ...
Some organisms are macroscopic and large enough to be seen directly. Others, like bacteria and protozoa, are microscopic, too small for the naked eye, requiring magnification tools like microscopes for visibility. Class 8 Science Grade 8 Chapter 2 The Invisible Living ...
The microscope opened up the hidden world of tiny organisms. It allowed scientists to observe microbes, cells and structures invisible to the eye, revolutionizing biology and medical science. Class 8 Science Curiosity Chapter 2 The Invisible Living World: Beyond Our Naked ...
The word “lens” comes from the Latin word for lentil. This is because the first lenses were shaped like lentil seeds—small, curved and rounded—ideal for bending light to magnify objects. Class 8 Science Curiosity Chapter 2 The Invisible Living World: Beyond ...