Microscopes update
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1. Microscopes are tools that use lenses to magnify objects so they can be seen more clearly. There are several types including simple, compound, stereoscopic, and electron microscopes. 2. Simple microscopes have one lens while compound microscopes use two or more lenses to allow light to pass through an object and the lenses. Stereoscopic microscopes give a three-dimensional view of living objects. Electron microscopes use magnetic fields and electron beams instead of light. 3. The eyepiece lens is usually 10x and does not change the magnification. The objective lenses have different powers like 4x, 10x, and 40x. To calculate total magnification, multiply the eyepiece magnification by the
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Microscopes update
- 1. S7CS1: Explore the importance of curiosity, honesty, openness, and skepticism in science and will exhibit these traits to understand HOW the world works. 1
- 2. Microscope **Use p. 11 IAN to decode word** Vision tool with one or more lenses that allows an enlarged image of an object to be seen with our eyes. 2
- 3. Simple Compound Stereoscopic Electron ese rd th e? u hea her e yo re? W with Ha v b e f o you ds! p rds hel wor wo will ence h e y sci T ur yo 3
- 4. Simple Microscope Similar to a magnifying glass and has only one lens. ce: en ten d ple s ect an Sim subj . One e verb on 4
- 5. Compound Microscope Lets light pass through an object and then through two or more lenses. e: und sentenc Compo and e subjects e. 2 o r mor one sentenc in verbs 5
- 6. Stereoscopic Microscope Gives a three dimensional view of a LIVING object. (Examples: insects and leaves) St mult ereo: i-dir ectio nal 6
- 7. Electron Microscope Uses a magnetic field to bend beams of electrons; instead of using lenses to bend beams of light. ct at tra n ets er? Mag memb re 7
- 8. Lens Enlarges an image and bends the light toward your eye. 8
- 9. Eyepiece Lens Usually has a power of 10x (doesnt change) 9
- 10. Objective Lenses in Smithas microscope Low Power = 4x Medium Power = 10x High Power = 40x 10
- 11. Microscope MATH Eyepiece Lens X Objective Lens = Magnification 10x (eye piece) & 5x (lens) = _______ 10x (eye piece) & 10x (lens) = ______ 10x (eye piece) & 40x (lens) = _______ Why didnt the eye piece number change? 11
- 12. Science Math Time Are you ready toMULTIPLE? Eye Piece Lens Total Magnification 10x 5x 10x 50x 10x 75x 10x 100x 10x ir, 150x in the a care r hands st dont w you e you ju Thro ro lik y ten ! le b h e ze can multip add t w you no 12
- 13. ION- LU S u l CONC ningf ea y ou ! Microscopes in Action m en t to chm atta Have you noticed that in restaurants, there are signs encouraging employees to wash their hands. WHY? If you had a microscope with you what could you see? Would you still eat there? Write a paragraph explaining your answer. 13