गणितीय अवधारणाओं के स्वरूप के तीन पहलु होते हैं मूर्त से अमूर्त की ओर, विशिष्ट से व्यापक की ओर तथा सोपानक्रमिक संरचनाएं। ये तीनों किसी भी क्षेत्र में ज्ञान की खोज में देखे जा सकते हैं। सभी ज्ञान की तरह गणित भी हमारे ठोस अनुभवों से विकसित होता है। जैसे- त्रिविम आकार में "गोलाई" या गोल की संकल्पना।
Physics is the study of energy and matter in space and time. It deals with how the fundamental constituents of the universe interact. Content for Class 9 Physics covers the concepts of Motion, Force and Laws of Motion, Gravitation, Work and Energy and Sound.
Biology is a branch of science that deals with living organisms and their vital processes. Biology encompasses diverse fields, including botany, conservation, ecology, evolution, genetics, marine biology, medicine, microbiology, molecular biology, physiology, and zoology.
Chemistry is the scientific study of the structure of substances and of the way that they react with other substances. The chemistry of an organism or a material is the chemical substances that make it up and the chemical reactions that go on inside it. Stress has a profound effect on our body chemistry
Glossary. Mathematical English is a special form of the English language used for making formal mathematical statements, specifically to communicate definitions, theorems, proofs and examples. Many ordinary English words are used in math English with different meanings.
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