Natural Microscope @ No-Cost
Twisted leaf as tube, flower petal as specimen, water drop trapped in part of leaf as lens and Sunlight as light supply
ONE CENT CHIP LED AND 10CENTS CELL WAS USED AS IT WAS POST-SUNSET. APOLOGIES.
Sliding Straws- Simple and Compound Microscope- Kids@9-15 Yr
Sandwich-inspired Sandwich Microscope - Kids@13-15-18
'Focused' microscope in a dollar
Components: Smart paper with bending quality, borosilicate glass ball, coin cell, slide carrying specimen (here onion epidermis), LED (be replaced by much smaller SMD LED in actual assembly, paper cello-tape.
Focusing: The 'bending' quality of 'smart' paper makes microscope 'compressible' to the extent it can vary distance between object (specimen on slide) and lens (ball).Distance between eye and lens (ball) is changed by user voluntarily or involuntarily .
Object(Specimen) is placed closer to lens (glass ball) to ac
As Object moves closer to lens, Image size increases
As Object moves closer to lens, Image size increases
FRICTION - A NECESSARY EVIL !
PLEASE CHOOSE ACTIVITY AGE-GROUP APPROPRIATE
Kids@9-12 years
Lubrication (oiling, say) reduces Friction
Lubrication (oiling, say) reduces Friction
Kids@13-15 years
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