scienco 3

Question 1

Zacharias Janssen

Answer 1

he discorvered that based on the position, lens can magnify objects (believed to be reversed telescope)

Question 2

Antonie Van leeuwenhoek

Answer 2

first man to see live cells and is a dutch microscope maker who used purer glass for 270x magnification

Question 3

Robert Hooke

Answer 3

Discovered cells which looked like monestary rooms like cell and dead plant cells. English father of microscopy and dead cells look normal but with no organelles

Question 4

how was a compound microscope made

Answer 4

Hooke and leeuwenhoek realised short focal lengths were needed so they used double convex lenses

Question 5

electron microscope

Answer 5

500,000x magnification and uses electrostatic and electromagnetic stuff beams

Question 5

first infectionous bacteria discovered from compound microscope

Answer 5

tuberde and cholera bacilli

Question 6

simple microscope

Answer 6

use simple lens and is a convex with a small focal length also known as simple compound microscope

Question 7

convex

Answer 7

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Question 8

concane

Answer 8

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