Embibe Big Book for Science for Telangana State Board Class 8

Science

The World of Microorganisms: Part 1

This chapter talks about microbiology, which is the study of microorganisms. It describes the secret behind the invention of the powerful microscope. It also explains how this microscope helped scientists in observing microorganisms.

This topic talks about microbiology, which is the study of microorganisms. It describes the secret behind the invention of the powerful microscope. It also explains how this microscope helped scientists in observing microorganisms.

Invention of Microscope and Discovery of Microorganisms

In this topic, we will learn about various microorganisms and explore their pictures for a better understanding. We will go through different groups of microorganisms. It also covers various activities related to microorganisms.

Microorganisms and their Groups

Through this topic, we will learn different methods of observing microorganisms. These microorganisms include fungi, bacteria, protozoa, algae, and soil microorganisms. We will explore these organisms in detail.

Different Methods of Observing Microorganisms

Physical Science Class 8

Biology Class 8

Basic Science for Class 8

Expanded Universal Science

Lakhmir Singh's SCIENCE FOR CLASS 8

NCERT Exemplar Science - Class 8

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Types of Microscopes

Microscopes: Types, Parts and Functions

Microbes - Tiny but Deadly

Algae and Diatoms - Structure and Habitat

Microscope: Parts and Usage

Useful Microbes

Microorganisms as Foes and Friends

Types of Viruses

Fungi

This chapter discusses the significance of health. Here, we will also learn about the meaning of diseases, their types, causes and the different means of spread. Further, it discusses principles of treatment and prevention.

Why Do We Fall Ill?

This chapter emphasizes environmental pollution and the harmful effects it has on the environment. It highlights air pollution, natural disasters and pollutants. It also explains how human activities increase the pollution rate.

Not for Breathing - Not for Drinking

In this chapter, we will learn about animal husbandry, poultry and apiculture in detail. We will learn this with the help of examples, illustrations and visuals.

Production of Food from Animals

In this chapter, we will learn about the crops, their duration of growth and production. It explains various agricultural tasks from sowing to storing in detail with examples and pictorial illustrations.

Production of Food from Plants

In this chapter, we will learn about the ecosystem and its types and components with the help of examples, illustrations and visuals. We will also get to know about the changes in the ecosystem and the energy flow in the ecosystem.

Different Ecosystems

In this chapter, we will learn about the diversity of organisms on earth and the need to conserve them. It discusses biodiversity, the problem associated with its loss, and ways to conserve by protecting the areas.

Biodiversity and Its Conservation

In this chapter, we will learn about the endocrine system, the glands, and the hormones. We will study the role of hormones in the human body, the period of adolescence, the different stages of puberty in both men and women, and the menstrual cycle.

The Age of Adolescence

This chapter discusses different types of reproduction, reproduction in human beings, and the male and female reproductive organs. It also helps us to understand the life cycle of a frog through a project.

Reproduction in Animals

This chapter gives us information regarding various friendly microorganisms. It covers the activities to describe different uses of microorganisms. Also, we will explore some medicinal and commercial uses of microorganisms.

The World of Microorganisms: Part 2

Through this chapter, we will get a brief idea of the cells. We will discuss how cells help in performing various functions in our body. Further, we will learn about the basic structure and properties of cells.

Cell- The Basic Unit of Life

This chapter explains the individual and societal perspective of science. It discusses how scientists think and what they do. We will also learn about the scientific methods to work and the safety measures to be followed during the process.

What is Science?

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The World of Microorganisms: Part 1

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