What are supporting instruments needed for obsevating biological object???
Observation not only in the laboratory but also in the field or nature
1. Supporting instruments in the field
a. Binoculars
Binoculars are used for field observation. It is used to observe a long distance object such as bird behavior, eating pattern of deer or type of birds
b. Cameras
Cameras has been used by researches to record their researched object. Besides for research, a camera also be used for nature photography. With camera, a scientific evidence of organism discovery or natural event can be seen clearly
c. Thermometers
It is a instrument to measure temperature. It contain either hydragyrum or alcohol that function to indicate the low or high level of temperature.
d. Ph Meter
It is an instrument to measure level of acidity of liquid or soil where the observation is conducted. Litmus paper can also used to measure acidity level
a. Dissecting kits
It is instruments that used to observe anatomy of animals or plants. The material are follow :
1. Dissection boards
2. Disecting needles
3. Specimen bottles
4. Dissecting forceps curved
5. Dissecting forceps angular
6. Scalpels
7. Sucking paper
8. Curved pincers
9. Angular pincers
10. Surgical scissors
11. Loupes
12. Chloroform to anesthetize the animal
It is simplest magnifier. It has one lens. It can mignify an object between 2 and 20 times
c. Microscopes
Microscope was invented by Antonie van leeuwenhoek. It was simple microssope. It can magnify an object between 10 or 100 times only.
Microscope in school usually use in light microscope
0 komentar:
Posting Komentar