PPT-Microscopes

Unit 1 Intro to Science Types of Microscopes Electron Microscope Uses a beam of electrons to magnify image greater than 1000x 1000 times Kills observable cells so not used to view live specimens. Applied Physics Technologies has decades of experience in research development and manufacturing of LaB and CeB cathodes We can provide the cathodes you need for replacement OEM and custom applications Lanthanum Hexaboride LaB and Cerium Hexaboride T. Trimpe 2003 http://sciencespot.net/Site #3: What in the World - Mystery Photos (from National Geographic) Try at least four different challenges in the The Big Questions. How do we even know cells are even there?. What has advanced our understanding of cells?. Specification Link. Describe how plant and animal cells can be studied in . greater detail . The History Behind Cells. Where does life come from?. Spontaneous Generation. Spontaneous . Generation. : The idea that . life. can appear from the non-living . environment. Francesco . Redi. . disproved this idea through his meat experiments. History of the Microscope. Hans and Zacharias Janssen- (1595) Eyeglass crafters- Magnify object 3-10x . Robert Hooke- (1655) Observed pores on corks and called them "cells". History of the Microscope. Introduction to cells. Cells form the parts of an organism and carry out all of its functions.. Cells are the basic units of structure and function in living things.. What are cells?. The structure of a living thing is determined by the amazing variety of ways its cells are put together.. https://www.youtube.com/watch?v=4OpBylwH9DU. . . (6 min). Let’s review…. Cell Theory: 3 . Main Ideas . All . living. things are composed of cells. Cells are the basic units of structure and function in living things. How does science progress?. A clue . …. T. hink about these words by Newton:. “. If I have seen further, it is because I have stood on the shoulders of giants. .”. What is Newton really saying?. 1590. –first compound microscope. History of the Microscope. 1655 – . Robert Hooke. used a compound microscope to observe pores in . cork.. He called them . “cells”. History of the Microscope. Spontaneous Generation. The supposed production of living organisms from nonliving matter. Francisco . Redi. (1668) – Proposed flies were responsible for maggots in rotting meat. A Recipe For… A Mouse? . DEPARTMENT OF MICROBIOLOGY MTN COLLEGE MADURAI. Definition :  An optical instrument that uses a lens or a combination of lenses to produce magnified images of small objects  especially of obje (Ear, Nose, and Throat). 2023. Business Overview . 2. 3. Seiler is a fourth-generation, family-owned business established in 1945. Precision Manufacturing. Geospatial. Medical. Overview. Cells . are the basic units of structure and function in living things. . What does cell structure mean? . What it is made of and how its parts are put together.. What does cell function mean? . Science. Learning intention. To know how microscopes have advanced over time and to be able to . compare the advantages and disadvantages of the different types of microscopes.. You will need. •  A pen and paper..