Topic:
Science lab-Importance and its
organization, Register-purchase and
maintenance of chemicals.
Paper: Edu 10.08 TECHNO-PEDAGOGIC CONTENT
KNOWLEDGE ANALYSIS-PHYSICAL SCIENCE
ASSIGNMENT
Submitted to, Submitted by,
Smitha miss Shemeera.S
Lecture in Physical Science
Physical science FMTC, Mylapure.
Submitted on,
10-08-2015
INDEx
Sl.No. Content Page.No
1 Introduction 4
2 Importance and its organization 5-6
3 Register 7-8
4 Purchase and maintenance of chemical 9
5 Conclusion 10
6 Reference 11
INTRODUCTION
Science is a practical subject teaching of which cannot be close properly
only in theory form. For proper education of science it is necessary to conduct
various kind of experimental works. Which are practical in nature.These practical
function cannot be carry out in absence of scientific apparatus and equipment’s.
The place where various kinds of scientific apparatus and equipment’s are
arranged in systematic manner is called science laboratory.
Science laboratory is central to scientific instructions and it forms essential
component of science education. It is in this place that various kinds of practical
work are carryout by the students. Without proper and well equipped science
laboratory it is not possible to carry out the science teaching process effectively in
any school or educational institution.
Importance and its organization
The laboratory in central to science instruction. It is in the laboratory that
the students learn to handle apparatuses think independly and to draw
conclusions on the basis of experiment and observation. Laboratory work in an
essential component of science education students can be stuffed with facts and
theories but without experiments they cannot experience the reality of physics or
chemistry as a science. The developments of power of observation
Measurement, inference are all dependent on laboratory work.
The management tasks faced by the head of a school are manifold. In
pursing the objectives for the school the head has to make the best use of
available authority for the various subject areas to the appropriate heads of
departments while retaining final responsibility. The head of a science
department has similar management functions as the head of the school though
on a determent has similar management functions as the head of the school
thought on a different scale. Evidently the major decisions affecting science
curriculum in school. The overall aim of the head of a science department should
be development of a stimulating and interesting environment in which pupils,
science staff and ancillary staff can work with initiative towards appropriate
goats.
The tasks of organization and administrations within a science department
are likely to be more effectively carried out if the following points are kept in
mind.
Time table
1. Compitation of school timetable :- It is essential that the special
requirements of science with particular regard to laboratories time tabing
and useof double or triple periods are made known and are stated explicity
2. Display of time tables:- The copies of the complete school timetable the
laboratorel timetables and timetables of all science teachers should be
displayed on a large pin boards for easy reference. This will help the head
of the department to have a complete picture of staff commitments thus
facilitating substitution alterations in laboratory timetables.
Notice board
A notice board should be fixed outside the science laboratory with up to
date information. This should contain science laboratories timetables a list of
laboratory rules the experiments in each cycle notice from examination board,
public, public examination timetables.
Storage system
A well-organized storagesystemenables easy collections of apparatus from
the storeand its transfer generally by trolley to the laboratory in readiness for the
lesson.
Factors to be considered in planning the location and design of preparation
and storage facilities require a careful analysis of the facilities available in the
school. Also the age range of the pupils the degree of emphasis our teaching
science the degree to which pupil are encouraged in independent learning
activities and the selection of apparatus.
Register
After the receipt of the apparatus the articles should be properly checked
and entered in the stock register. A proper record of the science apparatus is very
important to check any article at any time also facilitates in giving concrete
answers to management during circuiting
The types of registers which a science department can maintains are
1. Permanent stock Register:-
In this register articles of metal wood or of permanent nature.
Which are not liable to be broken or consumed are to be entered.
Eg:- Test tube racks, wooden stands, magnets, microscope, Telescope,
spectro meter, working and still models.
Specimen of permanent stock Register
Month and
date
Particulars Details of company Rate (unit
price)
Quantity Signature of
Teacher
2. Stock Register of breakable:-
Articles of glass ware like flask, beaker, funnel,buret etc. which are
liable to be broken are included in this Register
Specimen of stock Register of breakables
Month&
Date
Particulars Receipt Details
of
broken
items
How the
breakage
took
place
Balance Signature
of teacher
Quanti
ty
Rate Quantity Date
3. Stock Register of Consumables:-
Chemicals and other fluids which are liable to be consumed are entered in
this register.
Specimen of stock Register of consumable
Month
& Date
Particulars Receipt Details of
consume
d items
Balance Remarks
&Signaure
of teacher
Quantity Rate Amount Quantity Date
4. Order Register:-
The order register includes a record of orders sent for the purchase
of apparatus and chemicals. The entries should include serial number and
date of order name of the firm the item ordered, cost of each items.
5. Requirement Register:-
In the requirement register the teacher should note down the
requirements which he numbers at timed and which he feels necessary during the
experiments.
All pages of the stock register should be numbered. Entries should be
made in alphabetical order.
Purchase and maintenance of chemicals:-
After a list of selected items has been prepared its copy is sent to three or
four firms and quotations obtained. It is always desirable to write the name of
the item quality size and quantity in separate columns on receipt of quotations
order should be placed to the firm which supplies better equipment of cheaper
rates local dealers should be preferred. It possible the teacher should go
personally to the firm and get the things packed in his presence. On receiving the
goods the teacher should check with the list before signing their receipt. Any
broken or5 damaged items incorrect quantities or wrong goods supplied must be
immediately unformed to the dealers. The items received should be entered in
the school registers on the same day.
The chemical on the shelves in the cupboards should be grouped in a
systematic manner. The commons chemicals should be arranged in such a
manner that all the compounds of one element are placed together. The
elements are oftenaround in alphabetical order. An alternative method is to
arrangethe elements and their compounds in the order in which they occur in the
group of the periodic table. A third method is to group all the elements oxides
sulphates citrates and other similar compounds together.
Whichever method is used it is an advantage to number each bottle or jar
and to have an under book so that any substance can be located at a moment’s
notice. the bottle must be replenished periodically. All lables should be brushed
over with melted paraffin wax in order to avoid fading and prevent deterioration
and to ensure permanent adhesion
Conclusion
Laboratory work in an essential component of science education scientific
theories and practical work in science are the two sides of coin. Three two
aspects of science education should supplement and complement each other
without experiment the students cannot experience the reality of science
practical work provides an activity which can be profitable and emotionally
satisfying. The development of powers of observation, measurement, drawing
inference are all dependent on laboratory work
Reference
 Innovative Science teaching; Radha Mohan
 Science Education ; Methodology and pedagogic content Analysis;
Dr. K. Sivarajan.
 Science Education Theoretical Base of Teaching and pedagogic
Analysis; Dr. Mathew and Dr. Molly Kutty. T (2013)
Corrected by
Smitha I G
Asst. Prof.in Physical Science

Shemeera.s online(1) (1)

  • 1.
    Topic: Science lab-Importance andits organization, Register-purchase and maintenance of chemicals.
  • 2.
    Paper: Edu 10.08TECHNO-PEDAGOGIC CONTENT KNOWLEDGE ANALYSIS-PHYSICAL SCIENCE
  • 3.
    ASSIGNMENT Submitted to, Submittedby, Smitha miss Shemeera.S Lecture in Physical Science Physical science FMTC, Mylapure. Submitted on, 10-08-2015
  • 4.
    INDEx Sl.No. Content Page.No 1Introduction 4 2 Importance and its organization 5-6 3 Register 7-8 4 Purchase and maintenance of chemical 9 5 Conclusion 10 6 Reference 11
  • 5.
    INTRODUCTION Science is apractical subject teaching of which cannot be close properly only in theory form. For proper education of science it is necessary to conduct various kind of experimental works. Which are practical in nature.These practical function cannot be carry out in absence of scientific apparatus and equipment’s. The place where various kinds of scientific apparatus and equipment’s are arranged in systematic manner is called science laboratory. Science laboratory is central to scientific instructions and it forms essential component of science education. It is in this place that various kinds of practical work are carryout by the students. Without proper and well equipped science laboratory it is not possible to carry out the science teaching process effectively in any school or educational institution.
  • 6.
    Importance and itsorganization The laboratory in central to science instruction. It is in the laboratory that the students learn to handle apparatuses think independly and to draw conclusions on the basis of experiment and observation. Laboratory work in an essential component of science education students can be stuffed with facts and theories but without experiments they cannot experience the reality of physics or chemistry as a science. The developments of power of observation Measurement, inference are all dependent on laboratory work. The management tasks faced by the head of a school are manifold. In pursing the objectives for the school the head has to make the best use of available authority for the various subject areas to the appropriate heads of departments while retaining final responsibility. The head of a science department has similar management functions as the head of the school though on a determent has similar management functions as the head of the school thought on a different scale. Evidently the major decisions affecting science curriculum in school. The overall aim of the head of a science department should be development of a stimulating and interesting environment in which pupils, science staff and ancillary staff can work with initiative towards appropriate goats. The tasks of organization and administrations within a science department are likely to be more effectively carried out if the following points are kept in mind. Time table 1. Compitation of school timetable :- It is essential that the special requirements of science with particular regard to laboratories time tabing and useof double or triple periods are made known and are stated explicity 2. Display of time tables:- The copies of the complete school timetable the laboratorel timetables and timetables of all science teachers should be displayed on a large pin boards for easy reference. This will help the head of the department to have a complete picture of staff commitments thus facilitating substitution alterations in laboratory timetables.
  • 7.
    Notice board A noticeboard should be fixed outside the science laboratory with up to date information. This should contain science laboratories timetables a list of laboratory rules the experiments in each cycle notice from examination board, public, public examination timetables. Storage system A well-organized storagesystemenables easy collections of apparatus from the storeand its transfer generally by trolley to the laboratory in readiness for the lesson. Factors to be considered in planning the location and design of preparation and storage facilities require a careful analysis of the facilities available in the school. Also the age range of the pupils the degree of emphasis our teaching science the degree to which pupil are encouraged in independent learning activities and the selection of apparatus.
  • 8.
    Register After the receiptof the apparatus the articles should be properly checked and entered in the stock register. A proper record of the science apparatus is very important to check any article at any time also facilitates in giving concrete answers to management during circuiting The types of registers which a science department can maintains are 1. Permanent stock Register:- In this register articles of metal wood or of permanent nature. Which are not liable to be broken or consumed are to be entered. Eg:- Test tube racks, wooden stands, magnets, microscope, Telescope, spectro meter, working and still models. Specimen of permanent stock Register Month and date Particulars Details of company Rate (unit price) Quantity Signature of Teacher 2. Stock Register of breakable:- Articles of glass ware like flask, beaker, funnel,buret etc. which are liable to be broken are included in this Register Specimen of stock Register of breakables Month& Date Particulars Receipt Details of broken items How the breakage took place Balance Signature of teacher Quanti ty Rate Quantity Date
  • 9.
    3. Stock Registerof Consumables:- Chemicals and other fluids which are liable to be consumed are entered in this register. Specimen of stock Register of consumable Month & Date Particulars Receipt Details of consume d items Balance Remarks &Signaure of teacher Quantity Rate Amount Quantity Date 4. Order Register:- The order register includes a record of orders sent for the purchase of apparatus and chemicals. The entries should include serial number and date of order name of the firm the item ordered, cost of each items. 5. Requirement Register:- In the requirement register the teacher should note down the requirements which he numbers at timed and which he feels necessary during the experiments. All pages of the stock register should be numbered. Entries should be made in alphabetical order.
  • 10.
    Purchase and maintenanceof chemicals:- After a list of selected items has been prepared its copy is sent to three or four firms and quotations obtained. It is always desirable to write the name of the item quality size and quantity in separate columns on receipt of quotations order should be placed to the firm which supplies better equipment of cheaper rates local dealers should be preferred. It possible the teacher should go personally to the firm and get the things packed in his presence. On receiving the goods the teacher should check with the list before signing their receipt. Any broken or5 damaged items incorrect quantities or wrong goods supplied must be immediately unformed to the dealers. The items received should be entered in the school registers on the same day. The chemical on the shelves in the cupboards should be grouped in a systematic manner. The commons chemicals should be arranged in such a manner that all the compounds of one element are placed together. The elements are oftenaround in alphabetical order. An alternative method is to arrangethe elements and their compounds in the order in which they occur in the group of the periodic table. A third method is to group all the elements oxides sulphates citrates and other similar compounds together. Whichever method is used it is an advantage to number each bottle or jar and to have an under book so that any substance can be located at a moment’s notice. the bottle must be replenished periodically. All lables should be brushed over with melted paraffin wax in order to avoid fading and prevent deterioration and to ensure permanent adhesion
  • 11.
    Conclusion Laboratory work inan essential component of science education scientific theories and practical work in science are the two sides of coin. Three two aspects of science education should supplement and complement each other without experiment the students cannot experience the reality of science practical work provides an activity which can be profitable and emotionally satisfying. The development of powers of observation, measurement, drawing inference are all dependent on laboratory work
  • 12.
    Reference  Innovative Scienceteaching; Radha Mohan  Science Education ; Methodology and pedagogic content Analysis; Dr. K. Sivarajan.  Science Education Theoretical Base of Teaching and pedagogic Analysis; Dr. Mathew and Dr. Molly Kutty. T (2013) Corrected by Smitha I G Asst. Prof.in Physical Science