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Lectures for First Secondary

Lec. 8 | Effect of Gases on aquatic ecosystems
Lecture
100 EGP

Lec. 8 | Effect of Gases on aquatic ecosystems

Lec. 8 | Effect of Gases on aquatic ecosystems

1 Sections
2025-11-15
Lec.7 | Biological Adaptations
Lecture
100 EGP

Lec.7 | Biological Adaptations

Lec. 7 | Biological Adaptations of living organisms

2 Sections
2025-11-06
Lec.5 | Aqueous solutions and their properties
Lecture
100 EGP

Lec.5 | Aqueous solutions and their properties

Lec.5 | Aqueous solutions and their properties

2 Sections
2025-10-24
Lec.4 | Physical Properties of Water
Lecture
100 EGP

Lec.4 | Physical Properties of Water

Lec.4 | Physical Properties of Water

2 Sections
2025-10-16
Lec.3 | Physical properties of water (Part 1)
Lecture
100 EGP

Lec.3 | Physical properties of water (Part 1)

Physical properties of water (Part 1) | Unit 1

2 Sections
2025-10-11
Lec.2 | Chemical Properties of Water
Lecture
100 EGP

Lec.2 | Chemical Properties of Water

Unit 1 | Lec.2 | Chemical Properties of Water

2 Sections
2025-10-02
Lec.1 | Hydrosphere on Planet Earth
Lecture
100 EGP

Lec.1 | Hydrosphere on Planet Earth

Lesson One Hydrosphere on planet Earth

1 Sections
2025-09-25