Science learner′s book 7 pdf free download
1. Cells and Organisms – Structure and function of plant, animal, and specialized cells; characteristics of life, species classification, viruses, food chains, microorganisms, and environmental impact.
2. Materials and Their Properties – States of matter, changes of state, atomic structure, periodic table, compounds, mixtures, metals, non-metals, acids, alkalis, pH scale, and chemical reactions.
3. Forces and Energy – Gravity, mass, solar system formation, tides, motion in space, energy changes, conservation of energy, and peer review in scientific understanding.
باز نشر محتواها در فضای مجازی، ممنوع است.
باز نشر محتواها در فضای مجازی، ممنوع است.