Class VII Science

Nutrition In Plants

• 1.a Mode Of Nutrition In Plants
• 1.b Photosynthesis – Food-Making Process In Plants
• 1.c Other Modes Of Nutrition In Plants
• 1.d Saprotrophs
• 1.e How Nutrients Are Replenished In The Soil

Nutrition In Animals

• 2.a Different Ways Of Taking Food
• 2.b Digestion In Humans
• 2.c Digestion In Grass Rass – Eating Animals
• 2.d Feeding And Digestion In Amoeba

Fibre To Fabric

• 3.a Wool

Heat

• 4.a Hot And Cold
• 4.b Measuring Temperature
• 4.c Laboratory Thermometer
• 4.d Transfer Of Heat
• 4.e Kinds Of Clothes We Wear In Summer And Winter

Acids, Bases And Salts

• 5.a Acids And Bases
• 5.b Natural Indicator Around Us
• 5.c Neutralisation
• 5.d Neutralisations In Everyday Life

Physical And Chemical Changes

• 6.a Physical Changes
• 6.b Chemical Change
• 6.c Rusting Of Iron
• 6.d Crystallisation

Weather, Climate And Adaptations Of Animals To Climate

• 7.a Weather
• 7.b Climate
• 7.c Climate And A Adaptation

Winds, Storms And Cyclones

• 8.a Air Exerts P Pressure
• 8.b High Speed Winds Are Accompanied By Reduced Air Pressure
• 8.c Air Expands On Heating
• 8.d Wind Currents Are Generated Due To Uneven Heating On The Earth
• 8.e Thunderstorms And Cyclones
• 8.f Destruction Caused By Cyclones
• 8.g Effective Safety Measures
• 8.h Advanced Technology Has Helped

Soil

• 9.a Soil Teeming With Life
• 9.b Soil Profile
• 9.c Soil Types
• 9.d Properties Of Soil
• 9.e Moisture In Soil
• 9.f Absorption Of Water By Soil
• 9.g Soil And Crops

Respiration In Organisms

• 10.a Why Do We Respire
• 10.b Breathing
• 10.c How Do We Breathe?
• 10.d What Do We Breathe Out?
• 10.e Breathing In Other Animals
• 10.f Breathing Under Water
• 10.g Do Plants Also Respire?

Transportation In Animals And Plants

• 11.a Circulatory System
• 11.b Excretion In Animals
• 11.c Transport Of Substances In Plants

Reproduction In Plants

• 12.a Modes Of Reproduction : A Sexual Reproduction
• 12.b Sexual Reproduction
• 12.c Fruits And Seed Formation
• 12.d Seed Dispersal

Motion And Time

• 13.a Slow Or Fast
• 13.b Speed
• 13.c Measurement Of Time
• 13.d Measuring Speed
• 13.e Distance-Time Graph

Electric Current And Its Effects

• 14.a Symbols Of Electric Components
• 14.b Heating Effect Of Electric Current
• 14.c Magnetic Effect Of Electric Current
• 14.d Electromagnet
• 14.e Electric Bell

Light

• 15.a Light Travels Along A Straight Line
• 15.b Reflection Of Light
• 15.c Right Or Left!
• 15.d Playing With Spherical Mirrors
• 15.e Images Formed By Lenses
• 15.f Sunlight White Or Coloured?

Wastewater Story

• 16.a Water, Our Lifeline
• 16.b What Is Sewage?
• 16.c Water freshens up an eventful journey
• 16.d Wastewater Treatment Plan
• 16.e Better House Keeping Practices
• 16.f Sanitation And Disease
• 16.g Alternative Arrangement For Sewage Disposal
• 16.h Sanitation At Public Places

Water: A Precious Resource

• 17.a How Much Water Is Available
• 17.b Forms Of Water
• 17.c Groundwater As An Important Source Of Water
• 17.d Depletion Of Water Table
• 17.e Distribution Of Water
• 17.f Water Management
• 17.g What Role You Can Play
• 17.h Effect Of Water Scarcity On Plants

Forests: Our Lifeline

• 18.a Visit To A Forest

Food Components*

• 19.a What Are The Essential Components Of Food?
• 19.b Roughages Or Dietary Fibres
• 19.c Sources Of Roughages
• 19.d Water
• 19.e Balanced Diet
• 19.f History Of Food And Nutrition

Seed Dispersal*

• 20.a Why Are Seeds Dispersed?
• 20.b How Are Seeds Dispersed?
• 20.c Different Agents Of The Seed Dispersal
• 20.d Why Plants Produced A Large Number Of Seeds

Soil : Our Life*

• 21.a Soil
• 21.b Know More About Your Soil
• 21.c Horizons Of Soil
• 21.d Soil And Crops
• 21.e Soil Conservation