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Chapter - 1 :- Matter in surroundings
Chapter - 1 :- Matter in surroundings
1.1 Physical nature of matter
1.1.1 Matter is made up of particles
1.1.2 How small are these particles of matter
1.2.1 Particles of matter have space b/w them
1.2.2 Particles of matter are continuously moving
1.2.3 Particles of matter attract each other
1.3 States of matter
1.3.1 The solid state
1.3.2 The liquid state
1.3.3 The gaseous state
1.4 Can matter changes its state
1.4.1 Effect of change of temperature
1.4.2 Effect of change of pressure
1.5 Evaporation
1.5.1 Factors affecting evaporation
1.5.2 How does evaporation cause cooling
Chapter - 2 :- Is matter around us pure
Chapter - 2 :- Is matter around us pure
2.1 What is a mixture
2.1.1 Types of mixture
2.2 What is solution
2.2.1 Concentration of a solution
2.2.2 What is a suspension
2.2.3 What is a colloidal solution
2.3 Separation the components of a mixture
2.3.1 How can we obtain coloured component (DYE) from blue / black ink
2.3.2 How can we separate cream from milk
2.3.3 How can we separate a mixture of two immiscible liquids
2.3.4 How can we separate a mixture of salt and comphor
2.3.5 Is the DYE in black ink a single colour
2.3.6 How can we separate a mixture of two miscible liquids
2.3.7 How can we obtain different gases from air
2.4 Physical and chemical changes
2.5.1 Elements
2.5.2 Compounds
Chapter - 3 :- Atoms and molecules
Chapter - 3 :- Atoms and molecules
3.1 Laws of chemical combination
3.1.1 Law of conservation of mass
3.1.2 Law of constant proportions
3.2 What is an atom
3.2.1 What are the modern day symbols of atoms of different elements
3.2.2 Atomic mass
3.2.3 How do atom Exist
3.3 What is molecule
3.3 .1 Molecules of elements
3.3.2 Molecules of compounds
3.3.3 What is an ion
3.4 Writing chemical formula
3.4.1 Formula of simple compounds
3.5.1 Molecular mass
3.5.2 Formula unit mass
3.5.3 Mole concept
Chapter - 4 :- Structure of the atom
Chapter - 4 :- Structure of the atom
4.1 Charged particles in matter
4.2.1 Thomson's model of an atom
4.2.2 Rutherford's model of an atom
4.2.3 Bhor's model of atom
4.2.4 Neutrons
4.4 Valency
4.5.1 Atomic number
4.5.2 Mass number
4.6 Isotopes
4.6.1 Isobars
Chapter - 5 :- The fundamental unit of life
Chapter - 5 :- The fundamental unit of life
5.1 What are living organism made up of
5.2 What is a cell made up of what is the structual organisation of a cell
5.2.1 Plasma membrane or membrane
5.2.2 Cell wall
5.2.3 Nucleus
5.2.4 Cytoplasm
5.2.5 Cell organelles
Chapter - 6 :- Tissues
Chapter - 6 :- Tissues
6.1 Are plants and animals made of same types of tissues
6.2.1 Meristematic tissue
6.2.2 Permanent tissue
6.3 Animal tissues
6.3.1 Epithelial tissue
6.3.2 Connective tissue
6.3.3 Muscular tissue
6.3.4 Nervous tissue
Chapter - 7 :- Diversity in living organism
Chapter - 7 :- Diversity in living organism
7.1 What is the basis of classification
7.2 Classification and evolution
7.3 The Hierarchy of classification - groups
7.3.1 Monera
7.3.2 Protista
7.3.3 Fungi
7.3.4 Plantae
7.3.5 Animalia
7.4 Plantae
7.4.1 Thallophyta
7.4.2 Bryophyta
7.4.3 Pteridophyta
7.4.4 Gymnosperms
7.4.5 Angiosperms
7.5 Animalia
7.5.1 Porifera
7.5.2 Coelenterata
7.5.3 Platyheminthes
7.5.4 Nematoda
7.5.5 Annelida
7.5.6 Arthropoda
7.5.7 Mollusca
7.5.8 Echinodermata
7.5.9 Protochordata
7.5.10 Vertebrata
7.6 Nomenclature
Chapter - 8 :- Motion
Chapter - 8 :- Motion
8.1 Derscribing motion
8.1.1 Motion along a straight line
8.1.2 Uniform motion and non-uniform motion
8.2 Measuring the rate of motion
8.2.1 Speed with direction
8.3 Rate of change of velocity
8.4 Graphical representation of motion
8.4.1 Distance - time graphs
8.4.2 Velocity - time graphs
8.5 Equation of motion by graphical methods
8.5.1 Equation for velocity - time relation
8.5.3 Equation for position - velocity relation
8.6 Uniform circular motion
Chapter - 9 :- Force and laws of motion
Chapter - 9 :- Force and laws of motion
9.1 Balanced and unbalanced forces
9.2 First law of motion
9.3 Inertia and mass
9.4 Second law of motion
9.4.1 Mathematical formultion of second law of motion
9.5 Third law of motion
9.6 Conservation of momentum
Chapter - 10 :- Gravitation
Chapter - 10 :- Gravitation
10.1 Gravitation
10.1.1 Universal law of gravitation
10.1.2 Importance of the universal law of gravitation
10.2 Free fall
10.2.1 To calculate the value of g
10.2.2 Motion of objects under the influence of gravitational force of the earth
10.3 Mass
10.4 Weight
10.5 Thrust and pressure
10.5.1 Pressure in fluids
10.5.2 Buoyancy
10.5.3 Why objects float or sink when placed on the surface of water
10.6 Archimedes' principle
10.7 Relative density
Chapter - 11 :- Work and energy
Chapter - 11 :- Work and energy
11.1 Work
11.1.1 Not much work in spite of working hard
11.1.2 Scientific conception of work
11.1.3 Work done by a constant force
11.2 Energy
11.2.1 Forms of energy
11.2.2 Kinetic energy
11.2.3 Potential energy
11.2.4 Potential energy of an object at a height
11.2.5 Are various energy forms interconvertible
11.2.6 Law of conservation of energy
11.3 Rate of doing work
11.3.1 Commercial unit of energy
Chapter - 12 :- Sound
Chapter - 12 :- Sound
12.1 Production of sound
12.2 Propagation of sound
12.2.1 Sound needs a medium to travel
12.2.2 Sound waves are longitudinal waves
12.2.3 Characteristics of a sound wave
12.2.4 Speed of sound in different media
12.2.4 Speed of sound in different media
12.3 Reflection of sound
12.3.1 Echo
12.3.2 Reverberation
12.3.3 Uses of multiple reflection of sound
12.5 Application of ultrasound
12.5.1 Sonar
12.6 Structure of human ear
Chapter - 13 :- Why do we fall fill
Chapter - 13 :- Why do we fall fill
13.1 Health and its failure
13.1.1 The significance of health
13.1.2 Personal and community issues both matter for health
13.1.3 Distinctions b/w healthy and disease - free
13.2 Disease and its causes
13.2.1 What does disease look like
13.2.2 Acute and chronic diseases
13.2.3 Chronic diseases and poor health
13.2.4 Causes of diseases
13.2.5 Infectious and non - infectious causes
13.3 Infectious diseases
13.3.1 Infectious agents
13.3.2 Means of spread
13.3.3 Organ - specific and tissue - specific manifestations
13.3.4 Principles of treatment
13.3.5 Principles of prevention
Chapter - 14 :- Natural resources
Chapter - 14 :- Natural resources
14.1 The breath of life : Air
14.1.1 The role of the atmosphere in climate control
14.1.2 The movement of air : winds
14.1.3 Rain
14.1.4 Air pollution
14.2 Water : A wonder
14.2.1 Water pollution
14.3 Mineral riches in the soil
14.4 Biogeochemical cycles
14.4.1 The water - cycle
14.4.2 The nitrogen - cycle
14.4.3 The carbon - cycle
14.5 Ozone layer