Science 7th Std (TN 7th Science English Medium)

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Science 7th Std

Book Back Solution


7th Science : Term 1 Unit 1 : Measurement : Questions Answers [View Solution]
7th Science : Term 1 Unit 2 : Force and Motion : Questions Answers [View Solution]
7th Science : Term 1 Unit 2 : Force and Motion : Student Activities, Numerical Problems [View Solution]
7th Science : Term 1 Unit 3 : Matter Around Us : Questions Answers [View Solution]
7th Science : Term 1 Unit 3 : Matter Around Us : Student Activities [View Solution]
7th Science : Term 1 Unit 4 : Atomic Structure : Questions Answers [View Solution]
7th Science : Term 1 Unit 4 : Atomic Structure : Student Activities [View Solution]
7th Science : Term 1 Unit 5 : Reproduction and Modification in Plants : Questions Answers [View Solution]
7th Science : Term 1 Unit 5 : Reproduction and Modification in Plants : Student Activities [View Solution]
7th Science : Term 1 Unit 6 : Health and Hygiene : Questions Answers [View Solution]
7th Science : Term 1 Unit 6 : Health and Hygiene : Student Activities [View Solution]
7th Science : Term 1 Unit 7 : Visual Communication : Questions Answers [View Solution]
7th Science : Term 2 Unit 1 : Heat and Temperature : Numerical Problems [View Solution]
7th Science : Term 2 Unit 1 : Heat and Temperature : Questions Answers [View Solution]
7th Science : Term 2 Unit 1 : Heat and Temperature : Student Activities [View Solution]
7th Science : Term 2 Unit 2 : Electricity : Questions Answers [View Solution]
7th Science : Term 2 Unit 2 : Electricity : Numerical Problems [View Solution]
7th Science : Term 2 Unit 2 : Electricity : Student Activities [View Solution]
7th Science : Term 2 Unit 3 : Changes Around Us : Questions Answers [View Solution]
7th Science : Term 2 Unit 3 : Changes Around Us : Student Activities [View Solution]
7th Science : Term 2 Unit 4 : Cell Biology : Questions Answers [View Solution]
7th Science : Term 2 Unit 4 : Cell Biology : Student Activities [View Solution]
7th Science : Term 2 Unit 5 : Basis of Classification : Questions Answers [View Solution]
7th Science : Term 2 Unit 5 : Basis of Classification : Student Activities [View Solution]
7th Science : Term 2 Unit 6 : Digital Painting : Questions Answers [View Solution]
7th Science : Term 3 Unit 1 : Light : Questions Answers [View Solution]
7th Science : Term 3 Unit 1 : Light : Numerical problems [View Solution]
7th Science : Term 3 Unit 1 : Light : Student Activities [View Solution]
7th Science : Term 3 Unit 2 : Universe and Space : Questions Answers [View Solution]
7th Science : Term 3 Unit 3 : Polymer Chemistry : Questions Answers [View Solution]
7th Science : Term 3 Unit 3 : Polymer Chemistry : Student Activities [View Solution]
7th Science : Term 3 Unit 4 : Chemistry in Daily Life : Questions Answers [View Solution]
7th Science : Term 3 Unit 4 : Chemistry in Daily Life : Student Activities [View Solution]
7th Science : Term 3 Unit 5 : Animals in Daily Life : Questions Answers [View Solution]
7th Science : Term 3 Unit 5 : Animals in Daily Life : Student Activities [View Solution]
7th Science : Term 3 Unit 6 : Visual Communication : Questions Answers [View Solution]

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7th Science



7th Science : Term 1 Unit 1 : Measurement

Measurement
Fundamental and derived quantities
Area
Volume
Density
Measuring distance of celestial bodies
Points to remember
Questions Answers

7th Science : Term 1 Unit 2 : Force and Motion

Force and Motion
Distance and Displacement
Speed - Velocity
Acceleration
Distance - Time Graphs
Speed time graphs
Centre of Gravity and Stabilty
Stability and three types of stability, Condition for Stability
Science Today
Points to Remember
Questions Answers
Student Activities, Numerical Problems

7th Science : Term 1 Unit 3 : Matter Around Us

Matter Around Us
Atoms
Molecules
Elements
Compounds
Symbol of an element
Chemical Formulae
Atomicity
Effect of temperature on Solid, Liquid and Gas
Points to remember
Questions Answers
Student Activities

7th Science : Term 1 Unit 4 : Atomic Structure

Atomic Structure
How small is an atom
Evolution of idea of an atom
The subatomic particles
Atomic number and Mass number
Valency
Points to remember
Questions Answers
Student Activities

7th Science : Term 1 Unit 5 : Reproduction and Modification in Plants

Reproduction and Modification in Plants
Reproduction
Sexual reproduction
Asexual reproduction
Modifications of plant parts
Modification of Root
Modification of stems
Modifications of Leaf
Points to remember
Questions Answers
Student Activities

7th Science : Term 1 Unit 6 : Health and Hygiene

Health and Hygiene
Care of the body
Diseases
Safety and First Aid
Queen of Medicines - Penicillin, Points to remember
Questions Answers
Student Activities

7th Science : Term 1 Unit 7 : Visual Communication

Visual Communication
Folder
Photo Gallery and Photostory
Graphics and Animation
Questions Answers

7th Science : Term 2 Unit 1 : Heat and Temperature

Heat and Temperature
Temperature Units
Measuring Temperature
Thermometer
Types of Thermometers
Scales of thermometers
Numerical Problems
Points to Remember
Questions Answers
Student Activities

7th Science : Term 2 Unit 2 : Electricity

Electricity
Electric Current
Potential difference (v)
Sources of Electric current - Electro chemical cells or electric cells
Electric Switch
Electric circuit and its Types
Conductors and Insulators
Effects of Electric Current
Magnetic Effect of electricity
Chemical Effects of Electricity
The world comes to brightness Thomas Alva Edison (1847-1931)
Points to Remember
Questions Answers
Numerical Problems
Student Activities

7th Science : Term 2 Unit 3 : Changes Around Us

Changes Around Us
Effect of heat on solid, liquid and gases
Physical changes
Changes of state
Chemical changes
Conditions needed for a chemical change
Indicators of a chemical change
Exothermic and Endothermic chemical changes
Periodic and non-periodic change
Points to Remember
Questions Answers
Student Activities

7th Science : Term 2 Unit 4 : Cell Biology

Cell Biology
Cell as a fundamental unit of life
Plant and Animal cell comparison
Human cells related to functions
Points to Remember
Questions Answers
Student Activities

7th Science : Term 2 Unit 5 : Basis of Classification

Basis of Classification
Classification of Animal
Classification of Plants
The Five Kingdom Classification
Binomial Nomenclature
Points to Remember
Questions Answers
Student Activities

7th Science : Term 2 Unit 6 : Digital Painting

Digital Painting
Questions Answers

7th Science : Term 3 Unit 1 : Light

Light
Sources of Light
Properties of light
The path of light
Pinhole Camera
Is there any relationship between the incident ray and reflected ray
Terms used in reflection of light
Laws of reflection
Types of reflection
Types of beam of light
Shadows
Eclipses
Real and virtual images
Colour
What is prism
Newton Disc
Synthesis of colour
Questions Answers
Numerical problems
Student Activities

7th Science : Term 3 Unit 2 : Universe and Space

Universe and Space
GEO Centric Theory
Epicycles
Origin of the Universe
Galaxies
Milky Way
Stars
ISRO
The Missile Man of India
Points to Remember
Questions Answers

7th Science : Term 3 Unit 3 : Polymer Chemistry

Polymer Chemistry
What Are Polymers
Fibres
Characteristics, Advantages, Drawbacks of Synthetic Fibres
Plastics
Various methods of disposing plastics
Glass : Types and Uses
Points to Remember
Questions Answers
Student Activities

7th Science : Term 3 Unit 4 : Chemistry in Daily Life

Chemistry in Daily Life
Oral Rehydration Solution (ORS)
Antacid
Antibiotics
Analgesics
Antipyretic
Antiseptic
Antihistamine
Medicine
Combustion
Flame
Types of combustion
Fire extinguisher and its Types
Points to remember
Questions Answers
Student Activities

7th Science : Term 3 Unit 5 : Animals in Daily Life

Animals in Daily Life
Animal Products used as food
Poultry Farming
Animal products used as clothing or Animal Fibres
Hazards in Silk and Wool Industry
Animal protection and maintenance
Questions Answers
Student Activities

7th Science : Term 3 Unit 6 : Visual Communication

Visual Communication
Text Document
Questions Answers

7th Science



7th Science : Term 1 Unit 1 : Measurement

7th Science : Term 1 Unit 2 : Force and Motion

7th Science : Term 1 Unit 3 : Matter Around Us

7th Science : Term 1 Unit 4 : Atomic Structure

7th Science : Term 1 Unit 5 : Reproduction and Modification in Plants

7th Science : Term 1 Unit 6 : Health and Hygiene

7th Science : Term 1 Unit 7 : Visual Communication

7th Science : Term 2 Unit 1 : Heat and Temperature

7th Science : Term 2 Unit 2 : Electricity

7th Science : Term 2 Unit 3 : Changes Around Us

7th Science : Term 2 Unit 4 : Cell Biology

7th Science : Term 2 Unit 5 : Basis of Classification

7th Science : Term 2 Unit 6 : Digital Painting

7th Science : Term 3 Unit 1 : Light

7th Science : Term 3 Unit 2 : Universe and Space

7th Science : Term 3 Unit 3 : Polymer Chemistry

7th Science : Term 3 Unit 4 : Chemistry in Daily Life

7th Science : Term 3 Unit 5 : Animals in Daily Life

7th Science : Term 3 Unit 6 : Visual Communication




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