SCIENCE & TECH

Secondary Practical Curriculum • Subject Code: 212

Official Practical Record Book

Secondary Science Practical Credentials NIOS 2026-27

NAME: Kunal Malhotra

ENROLLMENT NO: 270083212092

SUBJECT: Science & Technology Practical (212)

CLASS / STREAM: Secondary (Class X)

AI STUDY CENTRE: Govt. Sr. Sec. Model School, Delhi (AI: 270014)

Verified Lab Experiments: 10 / 10
Evaluated in Science Laboratory Sessions

Teacher's Seal & Sign

Page A • Official Certification Science Lab Record

212

CERTIFICATE OF LABORATORY WORK

National Institute of Open Schooling • Class 10 (Secondary)

This is to certify that Kunal Malhotra, Enrollment No. 270083212092, student of Class X (Secondary), has satisfactorily performed and documented all 10 Prescribed Laboratory Experiments in the subject of Science and Technology (Subject Code: 212) in partial fulfillment of the examination conducted by NIOS, New Delhi for the academic session 2026–2027.

The practical record encompasses core competencies in Average Speed Measurement, Newton's Third Law Verification using Spring Balances, Melting Point of Ice Determination, Convex Lens Image Formation, Household Electrical Circuit Assembly, Transverse Pulse Wave Speed on a Stretched String, Aqueous Salt Solution Preparation, Physical and Chemical Changes, Water Vapour and Carbon Dioxide Air Detection, and pH Analysis of Fruit/Vegetable Juices.

Acknowledgement

"I convey my sincere gratitude to my Science Laboratory Mentor and Teacher for their continuous guidance, experimental rigor, and safety supervision during optics, mechanics, chemistry titrations, and electrical circuit assemblies."

Mechanics & Waves Speed, Force & Pulses

Optics & Circuits Lenses & Household

Chemistry & Air Solutions, CO₂ & pH

Science Lab Sessions:
All 10 Experiments Verified

Evaluation Matrix:
Record: 4M | Viva: 4M | Lab Experiments: 12M

Teacher-in-Charge:

External Examiner:

TABLE OF LABORATORY EXPERIMENTS (INDEX)

Official Secondary Science and Technology (212) Practical Record

COMPLETED: 10 / 10

#	Exp	Domain	Name of the Laboratory Experiment	Date	Pg
1	02	Mechanics	To Find Average Speed of an Individual Walking/Running To and Fro	06/10/26	04
2	04	Mechanics	To Verify Newton's Third Law of Motion Using Two Spring Balances	10/10/26	07
3	05	Thermal	To Determine the Melting Point of Ice using Laboratory Thermometer	14/10/26	10
4	07	Optics	To Study Change in Size and Position of Image Formed by Convex Lens	18/10/26	13
5	09	Electricity	To Assemble a Household Circuit Comprising Two Bulbs, Switches & Fuse	22/10/26	16
6	10	Waves	To Determine the Speed of a Pulse Propagated Through a Stretched String	26/10/26	19
7	11	Chemistry	To Prepare an Aqueous Solution of Common Salt of a Given Composition	30/10/26	22
8	13	Chemistry	To Differentiate Between a Chemical and Physical Change in Given Processes	03/11/26	25
9	14	Environmental	To Test the Presence of Water Vapours and Carbon Dioxide in Air	07/11/26	28
10	18	Chemistry	To Find the pH of Fruit and Vegetable Juices with the Help of pH Paper	11/11/26	31

100% Secondary Science & Technology Practical Syllabus (212)

SCIENCE & TECH

CERTIFICATE OF LABORATORY WORK

Acknowledgement

TABLE OF LABORATORY EXPERIMENTS (INDEX)

Official Lab Viva Voce & Conceptual Skills (212)