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BIOLOGY FROM 1

Chapter 3; Observation of living things

EQUIPMENTS USED FOR OBSERVATION
  1. The human eye: it is the most important equipment for observation. It is used to observe large organisms.
  2. Hand lens: it is used to increase the size (magnify) of small organisms and make details clear.
  3. Binoculars: it is used to observe far away organisms like birds.
  4. Petri dish: it is a small dish in which organisms can be placed for observation.
  5. Tongs: they are used to grasp or hold organisms which cannot be held with hands.
  6. Forceps: it is used to hold organisms that are preserved in liquids
  7. Microscope: it is equipment used to observe very tiny organisms that cannot be seen with the naked eyes. There are two types of microscopes namely; the light microscope and the electron microscope.

The microscope

 

par Claude Foumtum