2. The Microscope

3. This presentation is a short introduction to the parts of a microscope. After learning the parts you will take a short quiz. This presentation is a short introduction to the parts of a microscope. After learning the parts you will take a short quiz. Concentrate and Good Luck! Concentrate and Good Luck!

4. Parts of a microscope Before using a microscope it is important to learn the names of the parts. Here is a picture of the parts you will need to learn. Before using a microscope it is important to learn the names of the parts. Here is a picture of the parts you will need to learn. Diaphragm

5. Eyepiece The eyepiece is the part you look through (duh!) It has a lens which magnifies the object you are looking at. Ours magnifies it 10x the normal image size. The eyepiece is the part you look through (duh!) It has a lens which magnifies the object you are looking at. Ours magnifies it 10x the normal image size. eyepiece

6. Body Tube The body tube maintains the proper distance between the eyepiece and the objective lens. The body tube maintains the proper distance between the eyepiece and the objective lens. Body Tube

7. Focus knobs There are usually two focus knobs. The large knob moves the body tube in order to focus. The smaller knob moves the tube in very small increments in order to achieve a fine focus. There are usually two focus knobs. The large knob moves the body tube in order to focus. The smaller knob moves the tube in very small increments in order to achieve a fine focus. Focus Knobs

8. Objective lens The objective lens magnifies the image. There are three of them. Each has a different magnification. Ours magnify 4x, 10x, and 40x. The objective lens magnifies the image. There are three of them. Each has a different magnification. Ours magnify 4x, 10x, and 40x. Objective lens

9. Stage The stage supports the slide being viewed. It has clips called stage clips that hold the slide in place. The stage supports the slide being viewed. It has clips called stage clips that hold the slide in place. Stage

10. Diaphragm The diaphragm regulates the amount of light that enters into the body tube. Move it to a higher number if you need more light. Move it to a lower number if you need less light. The diaphragm regulates the amount of light that enters into the body tube. Move it to a higher number if you need more light. Move it to a lower number if you need less light. Diaphragm

11. Mirror The mirror reflects light upward through the diaphragm, through the object, and into the lenses. More expensive microscopes have lights instead of mirrors. They serve the same purpose. The mirror reflects light upward through the diaphragm, through the object, and into the lenses. More expensive microscopes have lights instead of mirrors. They serve the same purpose. Mirror

12. Base The base supports the microscope. When using a microscope you should make sure it is balanced and level. The base supports the microscope. When using a microscope you should make sure it is balanced and level. Base

13. Review Now take a minute to review the parts. You will have a short quiz on them. Click ahead when you are ready for the quiz. Now take a minute to review the parts. You will have a short quiz on them. Click ahead when you are ready for the quiz. Diaphragm

14. Get them right or you’ll end up like this guy! He is taking the quiz for the 145th time! Get them right or you’ll end up like this guy! He is taking the quiz for the 145th time!

15. Quiz Time! With your partner, test each other on the following parts of a microscope. One person does the first three then the second person answers the next three. Write your answers on a piece of paper. The honor system is in place here. Passing grade is 3 out of 3. Good Luck! With your partner, test each other on the following parts of a microscope. One person does the first three then the second person answers the next three. Write your answers on a piece of paper. The honor system is in place here. Passing grade is 3 out of 3. Good Luck!

16. #1 Name this part.

17. #2 Name this part

18. #3 Name this part.

19. Switch!

20. #4 Name this part.

21. #5

22. #6

23. Answers You should have these answers. You should have these answers. 1. Objective lens 2. Eyepiece 3. Base 4. Mirror 5. Stage 6. Focus Knob Diaphragm

24. You have reached the end ! If you got 3 out of 3 then you may proceed to part 2 of the microscope lab. If you didn’t, go back and try again until you correctly answer 3 out of 3. If you got 3 out of 3 then you may proceed to part 2 of the microscope lab. If you didn’t, go back and try again until you correctly answer 3 out of 3. This concludes this portion of the microscope unit. Tune in next week to find out if …. This concludes this portion of the microscope unit. Tune in next week to find out if ….

25. …He will ever make it !!!