Core Practical: Drawing specimen from microscope (Edexcel GCSE Biology Combined Science): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
Resolution in microscopy
Resolution in microscopy
How well microscope distinguishes 2 points close together
Eyepiece graticule
Eyepiece graticule
Scale in eyepiece to measure specimens
Stage micrometer
Stage micrometer
Slide with precise scale to calibrate magnification
Total magnification calculation
Total magnification calculation
Eyepiece magnification objective lens magnification
Starting objective lens for microscopy
Starting objective lens for microscopy
Lowest-powered objective lens
Drawing guidelines: pencil and lines
Drawing guidelines: pencil and lines
Sharp pencils, smooth lines, no shading
Field of view
Field of view
Circular area visible, measured with ruler on stage
Required specimen thickness
Required specimen thickness
Thin slice to let light through
Cell size formula using graticule
Cell size formula using graticule
Divisions calibration value (m)
Purpose of 10x low magnification
Purpose of 10x low magnification
Broad view of tissue & general cell arrangement