1. Read and conprehend the paragraphs below. 2. Make a glimpse history of the microscope by copying and filling in the boxes. 3. The first item is done for you . 4. Write your answer in your activity notebook
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1674- Anton van Leewenhuek built a simple microscope with only one lens to examine blood, yeast, insects and many other tiny objects.
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1903- Richard Zsigmondy developed the ultra-microscope that could study below the wavelength of light and won a Novel Prize in Chemistry in 1925.
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1932- Frits Zernike invented the phase-contrast microscope that allowed for the study ot colorless and transparent biological materials.
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Answer:
1.9072 133 133
2.5082 432 21
3.7424