Class 8 science exam: How to give your best?


Students can give their best in science with good preparation for the subject. Students can perform better in science only if they have a good understanding of every topic. It is where students have to understand the concepts and remember important definitions.

Some tips are given here that can help students to give their best in the class 8 science exam:

Some students try to directly answer the questions given in the book. It is not a good idea. The first thing is to read the chapter properly for understanding the concepts. Then, they should answer the questions given at the back. If students are not able to answer any question after reading the chapter, they can refer to Vedantu CBSE class 8 science notes that can help them to get the answer.

Students should read all the chapters from the NCERT book and they should try to understand the chapter from the NCERT book because enough information is given in the book. Once the students finish reading all the chapters and finish doing exercises they can practice questions from extra books.

Science concepts are easy to understand through pictorial representation. Students should write down a concept in the form of a flow diagram or a pictorial picture. If a particular has different types, a flow chart will help to memorize it easily.

In class 8 science, there are a total of 18 chapters. Students can divide their time and make a schedule for finishing all the chapters in a stipulated time. They should make a timetable and should study according to it. Revising all the chapters 2-3 times before the exam can help students to give their best in the exam.

Chapters in class 8 science

Crop Production and Management

It is the first chapter in class 8 science. In this chapter, students will learn about different types of crops, different practices of crop production, different tools, and modern methods of irrigation.

Microorganisms: Friend or Foe

It is the second chapter and it teaches about the different microorganisms such as bacteria, protozoa, fungi, viruses, and algae. Students will learn about how microorganisms can be useful for human beings and what are the harmful effects of microorganisms?

Synthetic Fibres and Plastics

It is the third lesson and students will learn about synthetic fibres such as rayon, polyester, etc. They will also learn about the properties of different synthetic fibres and how they are produced.

Materials: Metals and Non-metals

It is a very important chapter. Students will learn about different metals and non-metals. They will also learn about the properties of metals and non-metals and they can be differentiated from one another. Students have to focus on the definitions. It is a lengthy chapter and may take more time.

Coal and Petroleum

It is the fifth chapter and it deals with the different fossil fuels which include coal and petroleum. This chapter also teaches how coal and petroleum are formed and why we should conserve fossil fuels.

Combustion and Flame

It is the sixth chapter in which students will learn about combustion and things necessary to produce fire. Students will also learn about the structure of a flame which is the most important diagram.

Conservation of Plants and Animals

This chapter teaches about the impact of human activities on the environment. It tells students why the conservation of the natural environment is important for the survival of living beings.

Cell-Structure and Functions

It is an interesting chapter as it teaches about the basic unit of life that is the cell. Students will also learn about the different parts of the cells and the different structures found inside the cell. Many diagrams are important for the exam. Children should learn the differences between plant and animal cells.

Reproduction in Animals

It is the ninth chapter and it teaches different modes of asexual reproduction. Children will also learn about the life cycle of a frog in detail and what is metamorphosis. They also learn about different types of fertilization.

Reaching the Age of Adolescence

This is an interesting chapter as children learn about different sexual characteristics and hormonal changes that take place in the body during puberty.

Force and Pressure

This is a very important chapter. In this lesson, students will learn about what is force and different types of forces. They will also learn about atmospheric pressure. In this chapter, children will also solve numerical problems based on force and pressure. Therefore, they need to focus more on this chapter.


Friction is a type of force and this chapter will help children to learn about the advantages and disadvantages of friction in our lives. They will also learn about different types of friction.


It is the next chapter and teaches about sound and its different types. They will also learn about the different properties of sound. There are many important definitions in this chapter. So, children should understand and learn them properly.

Chemical Effects of Electric Current

In class 7 science, students learn about heating and magnetic effects of electric current and in class 8 science they will learn about chemicals effects of electric current in this chapter. It includes certain chemical reactions and children should practice chemicals reactions by writing them.

Some Natural Phenomena

In this chapter, children will learn about natural phenomena such as lightning and earthquakes. They will understand the science behind how lightning occurs and why do earthquakes occur?


Students will learn more about light and its phenomena in this chapter. They learn a few things about light in class 7 but in class 8 they will learn more interesting things about light.

Stars and Solar System

It is a very interesting chapter. It is a lengthy chapter but students will enjoy doing it. They will learn everything about the objects seen in the night sky such as comets, constellations, etc. They will also learn about different planets and their properties.

Pollution of Air and Water

It is the last chapter and very easy. It gives general information about the sources of air and water pollution and how we can prevent water and air pollution.


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