Galaxy Science in Everyday Life

Science

Solutions of Heat from Galaxy Science in Everyday Life

The detailed solutions to all the exercises of Heat from Galaxy Science in Everyday Life for 7th CBSE are provided here. The topics covered are such as Temperature, Thermometers and, Heat. Students can practice frequently asked questions from this chapter.

Attempt the practice questions on Chapter 4: Heat, Exercise 1: Quick Response with hints and solutions to strengthen your understanding. Galaxy Science in Everyday Life solutions are prepared by Experienced Embibe Experts.

Subject Experts Solutions for Chapter: Heat, Exercise 1: Quick Response

Attempt the practice questions on Chapter 4: Heat, Exercise 2: Chapter Review with hints and solutions to strengthen your understanding. Galaxy Science in Everyday Life solutions are prepared by Experienced Embibe Experts.

Subject Experts Solutions for Chapter: Heat, Exercise 2: Chapter Review

Attempt the practice questions on Chapter 4: Heat, Exercise 3: Time to Think with hints and solutions to strengthen your understanding. Galaxy Science in Everyday Life solutions are prepared by Experienced Embibe Experts.

Subject Experts Solutions for Chapter: Heat, Exercise 3: Time to Think

The Most Important Instrument

An Activity to Demonstrate Convection

A Laboratory Thermometer

Combined Maximum-minimum Thermometer

Introduction to Heat

Convection and Convection Currents

Heat Transfer by Convection

Heat Conduction in Different Metals

Heat Transfer by Conduction

This topic deals with the physical, chemical and biological processes involved in the wastewater treatment plant. It also discusses sanitation at public places, sewage and alternative arrangements for sewage disposal in detail.

Wastewater Management

This chapter consists of a test paper that comprises different types of questions, such as short answer, long answer and MCQs. The questions are based on changes around us, plants and animals, the habitat of the living, light and reflection, etc.

Test Paper-2

This chapter comprises a model test paper. It covers questions based on concepts such as nutrition in plants, fibres from animals, heat, acids, bases and salts, weather, climate and adaptations, wind and storm, etc.

Model Test Paper -1

With the help of real-life examples and activities, this chapter differentiates between the physical and chemical changes that can occur in a substance. We will also learn about rusting with techniques to prevent it and the concepts of combustion and crystallization in detail.

Physical and Chemical Changes

This topic explains the classification of animals based on their food habits. It describes the various steps involved in animal nutrition, the process of digestion in unicellular and multicellular organisms, and the digestive system in humans.

Nutrition in Animals

This chapter deals with wind and storm. It describes air pressure with an activity. Further, it explains the formation and destruction caused by cyclones and also discusses the precautionary measures which must be taken during tornadoes.

Wind and Storm

In this chapter, we will learn about the transport of substances in plants and animals. We will also learn the biological systems associated with the human body and nutrient flow in plants.

Transportation of Materials

This chapter comprises a test paper. It covers questions based on concepts such as physical and chemical changes, soil, respiration in plants and animals, and electricity and magnetism. It helps students enhance their conceptual knowledge.

Test Paper-3

This chapter comprises a model test paper. It covers questions based on concepts such as physical and chemical changes, soil, respiration in plants and animals, electricity and magnetism, transportation of materials, etc.

Model Test Paper -2

Water is one of the precious natural resources available on earth. In this chapter, we will learn in detail the uses, sources and physical states of water. This chapter further discusses the water cycle, rainwater harvesting, ways to conserve water, etc.

Water

This chapter talks about respiration as an important energy change. You will also learn about the different types of respiration process existent in plant and animal bodies and how we breathe in or out different gases as a result of this process.

Respiration in Plants and Animals

This chapter will shed light on acids, bases and salts. The students will learn to distinguish between acids and bases and also their chemical properties. How acids react with metal and non??etal to produce salt is also explained here.

Acids, Bases and Salts

This chapter covers a test paper. The questions are based on concepts such as transportation of materials, reproduction in plants, light and reflection, forests, and wastewater management.

Test Paper-4

This chapter tells us about the soil. We will learn the composition of soil through the diagram. The profile of the soil and components are discussed here. The soil formation, soil erosion, types, and properties of soils are also explained in detail.

Soil

This chapter talks about Time, which is the duration of an event or the period between two events. Time is measured in units such as seconds, hours and minutes. You will also learn about motion and its pace in this chapter.

Time and Motion

This chapter introduces the concept of silk and its types. It discusses the production of silk from living organisms and preparing them for general human needs. It also covers the chemical and physical properties of the wool with its importance.

Fibres from Animals

This chapter consists of a test paper that comprises different types of questions, such as short answer, long answer and MCQs. The questions are based on food from plants, separation of substances, sorting of materials, etc.

Test Paper-1

Through this chapter, we will learn the mode of nutrition in plants and photosynthesis, food making in plants. It explains the other modes of nutrition in plants with a brief on saprophytes. We will also learn how nutrients are replenished in soil.

Nutrition in Plants

This chapter introduces us to weather and climate. It teaches us about the appropriate vegetations to grow in different climatic conditions of an area. We will also get to know about the adaptation animals undergo to survive environmental conditions.

Weather, Climate and Adaptations

In this chapter, we will discuss the properties of light. It explains the reflection of light from the plane and curved mirror along with the uses of the spherical mirror. Lenses are also discussed here in detail with the concept of the splitting of light.

Light and Reflection

This chapter will shed light on the process of reproduction in plants. Complete, incomplete, unisexual, and bisexual flowers are explained. Sexual parts of the flower, agents to develop the flower's ovary into fruit are also learned by the students.

Reproduction in Plants

This topic describes the structure of forests. It also explains some important by-products of forests and how forests behave as a system. The role of forest in preserving the environment is also discussed here in detail.

Forests

This chapter explores the laws of magnetism, magnetic field and electromagnet in detail. It discusses the construction and working of an electric bell. We will also learn about the constituents of an electric circuit.

Electricity and Magnetism

Precipitation Reaction

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Solutions of Heat from Galaxy Science in Everyday Life

Subject Experts Science Solutions from Chapter 4 - Heat

Exercise Questions from Heat

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