Microscope Using a microscope I have developed my
- Slides: 13
Microscope Using a microscope, I have developed my understanding of the structure and variety of cells and of their functions. SCN 3 -13 a
Lesson aims. . . Today we will be: • Developing our knowledge of the microscope – I can label the parts of a microscope • Developing our practical skills – I can focus a microscope
How can we see small things? We use a microscope. A microscope uses lens to MAGNIFY objects.
Microscope Licence To get your microscope licence you must: ü Be able to name the parts of a microscope ü Be able to set up a microscope ü Focus an object for someone to see clearly By the end of the lesson you should be able to: - safely set up a microscope - focus an object of someone to see (me or partner) - complete microscope diagram
Gather Round Eye-piece Optic tube Arm Objective lens Stage Focus control Light Base Always carry a microscope holding the arm
Instructions 1. Collect a microscope, power supply and slide 2. Place the slide on the stage and set in place with clips 3. Make sure the lowest power objective lens is in place 4. Lower the objective lens until just above the slide 5. Slowly bring the objective lens away from the stage First person in your group, try to focus the image. . . Once you have show your partner/s then reset the focussing knobs
Take another look. . . What happens if you move the slide to the left? Does it go the same way? Is there anything else unusual about the image? Try to focus the object with a stronger objective lens
Have a look at the different microscope slides. Draw what you see (at least 3 slides)
Once you have all successfully focussed the image label the diagram of the microscope Eye-piece Optic tube Arm Focus control Objective lens Stage Light Base
Eye-piece 1 Optic 2 tube Arm 3 Focus 4 control Objective 5 lens Stage 6 Light 7 8 Base
Labelling Microscope http: //subscription. echalk. co. uk/Science/practical. Skills /Light. Microscope/Dn. D/light. Microscope. html
Microscope http: //www. brainpop. com/science/scientificinq uiry/microscopes/
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