The Eiffel Tower can be 15 cm taller during the summer
When a substance is heated up, its particles move more and it takes up a larger volume – this is known as thermal expansion. Conversely, a drop in temperature causes it to contract again. The mercury level inside a thermometer, for example, rises and falls as the mercury’s volume changes with the ambient temperature. This effect is most dramatic in gases but...
Babies have around 100 more bones than adults
Babies have around 100 more bones than adults Babies have about 300 bones at birth, with cartilage between many of them. This extra flexibility helps them pass through the birth canal and also allows for rapid growth. With age, many of the bones fuse, leaving 206 bones that make up an average adult skeleton.
Sociology Class XII Syllabus
Sociology Class XII Syllabus Exam Structure Unit Topic Marks A. Indian Society 32 1 Introducing Indian Society (Non-evaluative) - 2 Demographic Structure & Indian Society 6 3 Social Institutions-Continuity and change 6 4 Market as a Social Institution 6 5 Pattern of Social Inequality and Exclusion 6 6 Challenges of Cultural Diversity 8 7 Suggestions for Project Work (Non-evaluative) - B. Change and Development in Indian Society 48 8 Structural Change 6 9 Cultural Change 6 10 The Story of Democracy 6 11 Change and Development in Rural Society 6 12 Change and Development in Industrial Society 6 13 Globalization and Social Change 6 14 Mass Media and Communications 6 15 Social Movements 6 Total 80 A. INDIAN...
Psychology Class XII Syllabus
Psychology Class XII Syllabus Exam Structure Unit Topic Marks I Variations in Psychological Attributes 9 II Self and Personality 10 III Meeting Life Challenges 7 IV Psychological Disorders 10 V Therapeutic Approaches 7 VI Attitude and Social Cognition 8 VII Social Influence and Group Processes 7 VIII Psychology and Life 6 IX Developing Psychological Skills 6 Total 70 Unit-I: Variations in Psychological Attributes Introduction Individual Differences in Human Functioning Assessment of Psychological Attributes Intelligence Theories of Intelligence Theory of Multiple Intelligences Triarchic Theory of Intelligence Planning, Attention-arousal, and Simultaneous successive Model of Intelligence Individual...
Political Science Class XII Syllabus
Political Science Class XII Syllabus Exam Structure Part A: Contemporary World-Politics (50 Marks) Unit Topic Marks 1 Cold War Era 14 2 The End of bipolarity 3 US Hegemony in World Politics 16 4 Alternative centres of Power 5 Contemporary South Asia 6 International Organizations 10 7 Security in Contemporary World 8 Environment and Natural Resources 10 9 Globalisation Total 50 Part B: Politics in India since Independence Unit Topic Marks 10 Challenges of Nation-Building 16 11 Era of One-Party Dominance 12 Politics of Planned Development 13 India’s External Relations 6 14 Challenges to the Congress System 12 15 Crisis of the Democratic order 16 Rise of Popular Movements 16 17 Regional Aspirations 18 Recent...
Physics Class XII Syllabus
Physics Class XII Syllabus Exam Structure Unit Chapter / Topic Marks I Electrostatics 15 Chapter-1: Electric Charges and Fields Chapter-2: Electrostatic Potential and Capacitance II Current Electricity Chapter-3: Current Electricity III Magnetic Effect of Current & Magnetism 16 Chapter-4: Moving Charges and Magnetism Chapter-5: Magnetism and Matter IV Electromagnetic Induction & Alternating Current Chapter-6: Electromagnetic Induction Chapter-7: Alternating Current V Electromagnetic Waves 17 Chapter-8: Electromagnetic Waves VI Optics Chapter-9: Ray Optics and Optical Instruments Chapter-10: Wave Optics VII Dual Nature of Matter 10 Chapter-11: Dual Nature of Radiation and Matter VIII Atoms & Nuclei Chapter-12: Atoms Chapter-13:...
Mathematics Class XII Syllabus
Mathematics Class XII Syllabus Exam Structure Unit Topic Marks I. Relations and Functions 10 II. Algebra 13 III. Calculus 44 IV. Vectors and 3-D Geometry 17 V. Linear Programming 06 VI. Probability 10 Total 100 Unit I: Relations and Functions 1. Relations and Functions Types of relations: reflexive, symmetric, transitive and equivalence relations. One to one and onto functions, composite functions, inverse of a function. Binary operations. 2. Inverse Trigonometric Functions Definition, range, domain, principal value branch. Graphs of inverse trigonometric functions. Elementary properties of inverse trigonometric functions. Unit II:...
Legal Studies Class XII Syllabus
Legal Studies Class XII Syllabus Exam Structure S. No. Units Marks 1 Judiciary 15 2 Topics in Law 15 3 Arbitration, Tribunal Adjudication and Alternate Dispute Resolution 15 4 Human Rights in India 15 5 Legal Profession in India 15 6 Legal Services 15 7 International Context 10 Total 100 Unit 1: Judiciary Constitution, Roles and Impartiality Structure, Hierarchy of Courts, and Legal Offices in India Appointments, Trainings, Retirement and Removal of Judges Judicial Review Unit 2: Topics in Law Property Contracts Torts Crimes Administrative Law Unit 3: Arbitration, Tribunal...
Home Science Class XII Syllabus
Home Science Class XII Syllabus Exam Structure Unit Chapter Marks I Human Development: Life Span Approach (Part II) 30 II Nutrition for Self, Family and Community III Money Management and Consumer Education 35 IV Apparel: Designing, Selection and Case V Community Development and Extension (Part II) 5 VI Career Option after Home Science Education Practical 30 Total 100 Unit I: Human Development: Life Span Approach (Part II) A. Adolescence (12 - 18 years) (i) Growth & Development - Domains and principles. (ii) Meaning, characteristics and needs. (iii) Influences...
History Class XII Syllabus
History Class XII Syllabus Exam Structure Units Topic Marks Units 1 - 4 Themes in Indian History Part - I 25 Units 5 - 9 Themes in Indian History Part - II 25 Units 10 - 15 Themes in Indian History Part - III 25 Unit 16 Map Work 05 Project work 20 Total 100 Themes in Indian History Part-I 1. The Story of the First Cities: Harappan Archaeology Early urban centres. 2. Political and Economic History: How Inscriptions tell a story Political and economic history from...