Exam Guru Science

Science

Solutions of Worksheet-15 from Examguru Science

The detailed solutions to all the exercises of Worksheet-15 from Examguru Science for 7th CBSE are provided here. The topics covered are such as Worksheet-15. Students can practice frequently asked questions from this chapter.

Attempt the practice questions on Chapter 39: WorkSheet-15, Exercise 1: WorkSheet-15 with hints and solutions to strengthen your understanding. Exam Guru Science solutions are prepared by Experienced Embibe Experts.

Subject Experts Solutions for Chapter: WorkSheet-15, Exercise 1: WorkSheet-15

This chapter comprises WorkSheet-18. It covers questions based on nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

WorkSheet-18

This chapter comprises WorkSheet-17. It covers questions based on nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

WorkSheet-17

This chapter comprises WorkSheet-16. It covers questions based on nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

WorkSheet-16

This chapter comprises WorkSheet-14. It covers questions based on nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

WorkSheet-14

This chapter comprises WorkSheet-13. It covers questions based on nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

WorkSheet-13

This chapter comprises WorkSheet-12. It covers questions based on nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

WorkSheet-12

This chapter comprises WorkSheet-11. It covers questions based on nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

WorkSheet-11

This chapter comprises WorkSheet-10. It covers questions based on nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

WorkSheet-10

This chapter comprises WorkSheet-9. It covers questions based on nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

WorkSheet-9

This chapter comprises WorkSheet-8. It covers questions based on nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

WorkSheet-8

This chapter comprises WorkSheet-7. It covers questions based on nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

WorkSheet-7

This chapter comprises WorkSheet-6. It covers questions based on nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

WorkSheet-6

This chapter comprises WorkSheet-5. It covers questions based on nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

WorkSheet-5

This chapter comprises WorkSheet-4. It covers questions based on nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

WorkSheet-4

This chapter comprises WorkSheet-3. It covers questions based on nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

WorkSheet-3

This chapter comprises WorkSheet-2. It covers questions based on nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

WorkSheet-2

This chapter comprises WorkSheet-1. It covers questions based on nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

WorkSheet-1

This chapter comprises Yearly Examination Test Paper-2. It covers questions based on nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

Yearly Examination Test Paper-2

This chapter comprises Yearly Examination Test Paper-1. It covers questions based on nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

Yearly Examination Test Paper-1

This chapter comprises questions based on all the chapters related to the Term II exams. It covers nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

Term-II

This chapter comprises Half-Yearly Examination Test Paper-2. It covers questions based on nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

Half Yearly Examination Test Paper-2

This chapter comprises Half-Yearly Examination Test Paper-1. It covers questions based on nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

Half Yearly Examination Test Paper-1

This chapter comprises questions based on all the chapters related to the Term I exams. It covers nutrition in plants, fibres and fabrics, heat, acids, bases, physical and chemical changes, respiration, water, soil, motion, light, electricity, etc.

Term I

The chapter discusses the types of sewages and its harmful effects. It also explains the wastewater treatment plant and the best housekeeping practices in detail. It further briefs on sanitation and diseases.

Wastewater Story

This chapter describes the composition and importance of the forest. The flow of energy, along with the interdependence of animals on forests, are explained here. Further, it discusses the effects of deforestation and the need for conservation.

Forests: Our Lifeline

This chapter describes the availability, forms and sources of water in detail. It discusses the water cycle and the factors responsible for the depletion of water table. It also highlights the various methods of water management.

Water: A Precious Resource

This chapter discusses the various aspects of light and its properties. Different types of spherical mirrors and lens are explained. The properties are carefully explained with diagrams and examples to get hands-on experience on the concept.

Light

The chapter discusses the concept related to electric current. Here, it describes the sources and effects of electric current. The components of the electric circuit are explained with diagrams.

Electric Current and Its Effects

This chapter explains the various means of measuring time in the ancient, modern world and latest trends. The types of motions and the instruments used to measure speed and distance are briefly discussed.

Motion and Time

This chapter discusses the process of reproduction and its types in plants. Here, it explains asexual reproduction and vegetative propagation. Further, it illustrates the process of sexual reproduction in plants in detail.

Reproduction in Plants

The chapter discusses the process of transportation of water and minerals in plants. It also describes the process of transportation in humans and lower organisms and the process of excretion in animals and humans in detail.

Transportation in Animals and Plants

The chapter describes the types of respiration and the steps involved in the process of respiration. Here, it details out human respiratory system and the mechanism of breathing and the exchange of gases in living organisms.

Respiration in Organisms

The chapter discusses the types and importance of soil and various soil horizons. It includes the composition of soil and the causes of soil pollution. The properties of soil and the suitable crops for the soil are also discussed in brief.

Soil

The chapter explains the atmosphere, atmospheric pressure and its properties. It discusses the generation of wind currents and heating up of land and water. Further, it discusses the causes and effects of disasters caused by wind currents.

Winds, Storms and Cyclones

This chapter discusses the weather, its elements and the factors that affect the climate. It also discusses the climatic adaptations of animals in the polar region and the tropical rainforests with examples.

Weather, Climate and Adaptations of Animals to Climate

This chapter describes physical and chemical changes and their characteristics. Then, it defines the reactants and products in a chemical reaction and the types of chemical reactions. It also covers the rusting of iron, its effects and prevention.

Physical and Chemical Changes

The chapter presents a detailed description of the types, properties and uses of acids and bases. It also explains the neutralisation reaction and its uses. Further, it briefs the uses of indicators and their types.

Acids, Bases and Salts

Heat is a form of energy. This chapter discusses the effects, expansion and measurement of heat in detail. Further, it explains three distinct ways of heat transfer and their significances with examples.

Heat

This chapter presents the types of fibres with their examples. Here, we will learn the rearing and breeding of sheep and the processing of animal fibres into wool in detail. We will also study the rearing of silk and the life cycle of a silk moth.

Fibre to Fabric

This chapter deals with nutrition in animals. Here, it explains the process of nutrition in unicellular organisms and ruminating animals. Further, it describes the digestive system and the process of digestion in humans.

Nutrition in Animals

This chapter helps us to study two types of nutrition in plants such as autotrophic and heterotrophic nutrition in detail. All organisms take food and utilize it to get energy for growth, maintenance and various life processes.

Nutrition in Plants

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Solutions of Worksheet-15 from Examguru Science

Subject Experts Science Solutions from Chapter 39 - WorkSheet-15

Exercise Questions from WorkSheet-15

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