我想問以下實驗儀器的作用...(20分)

1) Wire gauze is placed on top of a Bunsen burner to support containers which somethings are heated inside.
2) Tripod is used to hold the wire gauze.
3) Cover slip protects the microscope's objective lens from contacting the specimen, and creates an even thickness (in wet mounts) for viewing.
4) Microscope slide contains specimens held between disks of transparent mica.
5) Capillary tube is used to demonstrate capillary action.
6) Stopper is used to cover the mouth of a test tube so that the gas inside the tube cannot come out.
7) Boiling tube is a large cylindrical vessel used to strongly heat substances in the flame of a Bunsen burner.
8) Test tube rack is used to hold test tubes.
9) Test tube is used to aid pouring of a liquid from the test tube to a beaker.
10) Filter funnel is a laboratory funnel used for separating solids from liquids via the laboratory process of filtering.
11) Beaker is a simple container for stirring, mixing and heating liquids commonly used in many laboratories.
12) Measuring cylinder is a piece of laboratory glassware or plasticware used to accurately measure out volumes of chemicals for use in reactions.
13) Conical flask is a widely used type of laboratory flask which features a conical base and a cylindrical neck. They are usually marked on the side (graduated) to indicate the approximate volume of their contents.
14) Gas jar is used to collect and store gases.
15) Bell jar is generally used for classroom demonstrations or by hobbyists, when only a relatively low-quality vacuum is required.

2008-08-02 18:32:53 補充：
16) Clamp is a device used to hold an object in a fixed position.
17) Retort stand is used to support somethings.
18) Scalpel is a small but extremely sharp knife used for surgery, anatomical dissection, and various arts and crafts.

2008-08-02 18:33:15 補充：
19) Forceps are a handheld, hinged instrument used for grasping and holding objects.
20) Scissors are a type of tool used for cutting thick material which requires a lot force to cut.
21) Seeker is a device that is attracted toward some kind of emission.

2008-08-02 18:33:47 補充：
22) Pestle is a tool used to crush, grind, and mix substances. The pestle is a heavy stick whose end is used for pounding and grinding.
23) Mortar is a tool used to crush, grind, and mix substances. The mortar is a bowl.

2008-08-02 18:34:11 補充：
24) Cork borer set is a metal tool for cutting a hole in a cork or rubber stopper to insert glass tubing.
25) Syringe is simple piston pump consisting of a plunger that fits tightly in a tube.
26) White tile is used to perform experiments which gives a more obvious result.

2008-08-02 18:34:29 補充：
27) Petri dish is a shallow glass or plastic cylindrical dish that biologists use to culture cells.
28) Dropper is used to transfer chemicals from a container to another.
29) Rubber tube is used to connect two tubes which can transfer somethings from one to another.

2008-08-02 18:34:59 補充：
30) Glass rod is used to stir mixture in a container.