Biology IX | Health and Diseases | Part 1
Health and Diseases | Part 1 Human Diseases Definition : Disease may be defined as a disorder in the physical,…
Science IX | Natural Resources: Our Environment | Part 3
Natural Resources: Our Environment | Part 3 Soil Soil is the portion of the earth’s surface consisting of disintegrated rock…
Science IX | Natural Resources: Our Environment | Part 2
Natural Resources: Our Environment | Part 2 Rain As the air rises, it expands and cools. This cooling causes the…
Science IX | Natural Resources: Our Environment | Part 1
Natural Resources Introduction Planet earth differ from other planet because of existence of life here. Life is possible only on…
Biology IX | Diversity in the Living World | Part 2
Diversity in the Living World | Part 2 Animal Kingdom (Animalia ) These are organisms which are eukaryotic, multicellular and…
Biology IX | Diversity in the Living World | Part 1
Diversity in the Living World | Part 1 One of the cornerstones of science that is virtually unchallenged is that…
Chemistry IX | Structure of Atom | Part 2
Structure of Atom | Part 2 I. Thomson’s Atomic Model The first simple model of an atom was proposed by…
Chemistry IX | Structure of Atom | Part 1
Structure of Atom | Part 1 INTRODUCTION Atom is the smallest particle of an element, does not found in free…
Biology IX | Tissues, Organs, Organ System, Organism | Part 2
Tissues, Organs, Organ System, Organism | Part 2 ANIMAL TISSUES Cell are organized into four types of tissues in higher…
Biology IX | Tissues, Organs, Organ System, Organism | Part 1
Tissues, Organs, Organ System, Organism | Part 1 Tissue Tissue can be defined as a group of cells more or…