Page 4 - Science Class 07

Contents
Contents
Contents

1. How Do Plants Get Their Food? 5 Kidneys • Blood ransfusionT • Blood ircula onC • Pulse
• Nutri on • Components of Food • Modes of Nutri on Rate and Heart Beat Circulatory • System in Other
• Autotrophic Nutri on • Heterotrophic Nutri on Animals
• Saprophy c Nutri on • Parasi c Nutri on • Symbio c 12. Excretion in Human Beings and
Nutri on • Insec vorous Nutri on Animals 110
2. How Do Animals Get Their Food? 15 • Different Types of Wastes and Their Excre on
• Nutri on in Animal s Phases of • Nutri on in Animals • Excretory System in Human Beings • The Process of
• Nutri on in uman eingsH B • Important rgansO Excre on in Human Beings • Malfunc on of the
Involved in Nutri on and Their Func ons Nutri on in • Excretory System • Dialysis • Excre on in ther nimalsO A
Ruminants Nutri on in Amoeba • 13. Reproduction 117
3. Natural Fibres 25 • sexual A Reproduc on Ar ficial • Propaga on • Sexual
• Fibres Sources of • Fibres • Silk Wool • Reproduc on • Pollina on • Fer liza on • Dispersal of
4. Heat Flow and Temperature 33 Seeds • Germina on of a Seed
• Heat Temperature Transfer of • • Heat Conduc • tors 14. Electric Current and Circuit 126
and Insulators Thermos Flask• • How does Electric Current Flow? • Electric Circuit
5. Classification of Substances—Acid and • Parts of Electric Circuit and its Symbols • Important
Devices and Their Func ons Effects of • Electric Current
Base 41
• Electric ellB
• Classifica on of Substances Acidic Substances • 15. Light 137
• Prepara on of Acids • Basic Substances • Prepara on
of Alkalies • Neutral Substances • Source s of Light • Brightness of Light • Luminous
Bodies • How Does Light Travel? • Speed of Light
6. Chemical Changes 50 • Reflec on of Light • Reflec on Terms • Two Laws of
• Ma er Elements Metals Non-metals Meta • • • • lloids Reflec on • Plane Mirror • Uses of Plane Mirrors
• Atoms • Compounds and oleculesM • lements and E • Kinds of Reflec on • Kaleidoscope • Periscope
Molecules Mixture • s Chemical Compounds • • Spherical Mirrors • Image By Convex Mirror • Image
• Chemical Reac ons • Chemical Equa ons • How to by Concave Mirror Uses of Concave Mirrors Uses of • •
Balance an Equa on? Convex Mirrors Light and the Living Beings •
7. Respiration in Living Organisms 62 16. Forest — A Precious Gift 149
• Breathing Respira on Types of • • Respira on • Importance of Forests Interdependence of • Plants
• Fermenta on • Respira on in Human Beings and nimals Deforesta on Afforesta onA • •
• Process of Respira on • Internal espira onR 17. Scarcity of Water 156
• Breathing in ther nimalsO A • Respira on in lantsP
• Where did Water Come from? • Water and Living
8. Climate and Adaptation in Animals 74 Beings Availability of • Water Conserva on of • Water •

• Climate • Cold Climate • Hot Climate • Moderate Rain Water Harves ng • Potable aterW • Pollu on of
Climate Factors • Affec ng Climate (Natural) Man-• Water • Preven on of Water Pollu on
made hange i limateC s n C 18. Time Measurement and Motion 165
9. Soil — Formation, Composition and
• Ancient Time Measurement System Time •
Importance 84 Measurement in Modern Time Modern • Time
• Components of Soil Forma on of • Soil Soil Profile • s Measurement Devices Rest and • Mo on • Slow and
• Textures of Soil • Types of Soil in India • Moisture in Fast Mo on • Uniform and on-uniform o oN M n •
Soil Soil • Erosion Devices sed to easure istance and peed of U M D S
10. Transportation in Plants 94 Moving Objects
• Transporta on in Plants Network of • Tubes 19. Waste Management 174
• Process of ransporta onT • Transpira on • Waste Management Waste Classifica on of • •
11. Transportation in Human Beings and Wastes Solid, • Liquid and Gaseous Wastes Sewage •
• Harmful Effects of Sewage • Sewage Treatment s
Animals 101
• Circulatory System in Human Beings Bloo • d • Heart — Model Test Paper-1 & 2 181
The Pumping Sta on Blood • Vessels • Role of Liver and