Канал: SDS SCIENCE

O/L SCIENCE- GENETICS-EPISODE 02 (GRADE 10,11)

O/L SCIENCE- GENETICS-EPISODE 02 (GRADE 10,11)

O/L SCIENCE- GENETICS-EPISODE 01 (GRADE 10,11)

O/L SCIENCE- GENETICS-EPISODE 01 (GRADE 10,11)

SCIENCE SEMINAR 2022 (විද්‍යාව සම්මන්ත්‍රණය 2022)

SCIENCE SEMINAR 2022 (විද්‍යාව සම්මන්ත්‍රණය 2022)

O/L SCIENCE -CHEMISTRY- ACIDS, BASES AND SALTS (GRADE 10,11)

O/L SCIENCE -CHEMISTRY- ACIDS, BASES AND SALTS (GRADE 10,11)

O/L SCIENCE -CHEMISTRY- CHEMICAL COMPOUNDS (GRADE 10,11)

O/L SCIENCE -CHEMISTRY- CHEMICAL COMPOUNDS (GRADE 10,11)

2020 O/L(2021 MARCH) SCIENCE SEMINAR-EPISODE 09 BY STANLEY DE SILVA

2020 O/L(2021 MARCH) SCIENCE SEMINAR-EPISODE 09 BY STANLEY DE SILVA

2020 O/L(2021 MARCH) SCIENCE SEMINAR-EPISODE 08 BY STANLEY DE SILVA

2020 O/L(2021 MARCH) SCIENCE SEMINAR-EPISODE 08 BY STANLEY DE SILVA

2020 O/L(2021 MARCH) SCIENCE SEMINAR-EPISODE 07 BY STANLEY DE SILVA

2020 O/L(2021 MARCH) SCIENCE SEMINAR-EPISODE 07 BY STANLEY DE SILVA

2020 O/L(2021 MARCH) SCIENCE SEMINAR-EPISODE 06 BY STANLEY DE SILVA

2020 O/L(2021 MARCH) SCIENCE SEMINAR-EPISODE 06 BY STANLEY DE SILVA

2020 O/L(2021 MARCH) SCIENCE SEMINAR-EPISODE 05 BY STANLEY DE SILVA

2020 O/L(2021 MARCH) SCIENCE SEMINAR-EPISODE 05 BY STANLEY DE SILVA

2020 O/L(2021 MARCH) SCIENCE SEMINAR-EPISODE 04 BY STANLEY DE SILVA

2020 O/L(2021 MARCH) SCIENCE SEMINAR-EPISODE 04 BY STANLEY DE SILVA

2020 O/L(2021 MARCH) SCIENCE SEMINAR-EPISODE 03 BY STANLEY DE SILVA

2020 O/L(2021 MARCH) SCIENCE SEMINAR-EPISODE 03 BY STANLEY DE SILVA

2020 O/L(2021 MARCH) SCIENCE SEMINAR-EPISODE 02 BY STANLEY DE SILVA

2020 O/L(2021 MARCH) SCIENCE SEMINAR-EPISODE 02 BY STANLEY DE SILVA

2020 O/L(2021 MARCH) SCIENCE SEMINAR-EPISODE 01 BY STANLEY DE SILVA

2020 O/L(2021 MARCH) SCIENCE SEMINAR-EPISODE 01 BY STANLEY DE SILVA

O/L SCIENCE -CHEMISTRY- CONCENTRATION OF SOLUTIONS (GRADE 10,11)

O/L SCIENCE -CHEMISTRY- CONCENTRATION OF SOLUTIONS (GRADE 10,11)

O/L SCIENCE -CHEMISTRY- CHEMICAL CALCULATIONS (MOLE) (GRADE 10,11)

O/L SCIENCE -CHEMISTRY- CHEMICAL CALCULATIONS (MOLE) (GRADE 10,11)

O/L SCIENCE -CHEMISTRY- SOLUBILITY AND SEPARATION OF MIXTURES (GRADE 11)

O/L SCIENCE -CHEMISTRY- SOLUBILITY AND SEPARATION OF MIXTURES (GRADE 11)

O/L SCIENCE -CHEMISTRY- LEWIS STRUCTURES AND MIXTURES (GRADE 10)

O/L SCIENCE -CHEMISTRY- LEWIS STRUCTURES AND MIXTURES (GRADE 10)

O/L SCIENCE -CHEMISTRY- CHEMICAL BONDS (GRADE 10- UNIT-10)

O/L SCIENCE -CHEMISTRY- CHEMICAL BONDS (GRADE 10- UNIT-10)

O/L SCIENCE -CHEMISTRY- ATOMIC STRUCTURE (GRADE 10- UNIT-3 PART-1)

O/L SCIENCE -CHEMISTRY- ATOMIC STRUCTURE (GRADE 10- UNIT-3 PART-1)

O/L SCIENCE -HORMONES AND HOMEOSTASIS (UNIT-6 PART-5.2)

O/L SCIENCE -HORMONES AND HOMEOSTASIS (UNIT-6 PART-5.2)

O/L SCIENCE -HUMAN NERVOUS SYSTEM 1 (UNIT-6 PART-5.1)

O/L SCIENCE -HUMAN NERVOUS SYSTEM 1 (UNIT-6 PART-5.1)

O/L SCIENCE -HUMAN BLOOD CIRCULATORY SYSTEM 2 (UNIT-6 PART-4.2)

O/L SCIENCE -HUMAN BLOOD CIRCULATORY SYSTEM 2 (UNIT-6 PART-4.2)

O/L SCIENCE -HUMAN BLOOD CIRCULATORY SYSTEM (UNIT-6 PART-4.1)

O/L SCIENCE -HUMAN BLOOD CIRCULATORY SYSTEM (UNIT-6 PART-4.1)

O/L SCIENCE -HUMAN EXCRETORY SYSTEM (UNIT-6 PART-3)

O/L SCIENCE -HUMAN EXCRETORY SYSTEM (UNIT-6 PART-3)

O/L SCIENCE -HUMAN RESPIRATORY SYSTEM (UNIT-6 PART-2)

O/L SCIENCE -HUMAN RESPIRATORY SYSTEM (UNIT-6 PART-2)

O/L SCIENCE -HUMAN DIGESTIVE SYSTEM (UNIT-6 PART-1)

O/L SCIENCE -HUMAN DIGESTIVE SYSTEM (UNIT-6 PART-1)

O/L SCIENCE-OPTICS (Grade 11-unit 5 part-3)

O/L SCIENCE-OPTICS (Grade 11-unit 5 part-3)

O/L SCIENCE -OPTICS (Grade 11-unit 5 part-2)

O/L SCIENCE -OPTICS (Grade 11-unit 5 part-2)

O/L SCIENCE - OPTICS (Grade 11-unit 5 part-1)

O/L SCIENCE - OPTICS (Grade 11-unit 5 part-1)

WAVES AND THEIR APPLICATIONS (Grade 11 unit-4 part-3)

WAVES AND THEIR APPLICATIONS (Grade 11 unit-4 part-3)

WAVES AND THEIR APPLICATIONS (Grade 11 unit-4 part-2)

WAVES AND THEIR APPLICATIONS (Grade 11 unit-4 part-2)

WAVES AND THEIR APPLICATIONS (Grade 11 unit-4 part 1)

WAVES AND THEIR APPLICATIONS (Grade 11 unit-4 part 1)