SSC Science Note. The purpose of science education is the development of observational capability and the formation of the positive attitude of the learners to the elements of the environment through the creation of curiosity on various natural phenomena. Basically keep an eye on these factors, the book entitled Science has been written in light … Read more
Last Updated: November 12, 2020 at 1:17 pm
Chapter 7. Use of Acid, Base, and Salt. SSC MCQ Question Ans. Use of Acid, Base, and Salt. Introduction: You have learned about acid, base, and salt in class VIII. Can you remember their characteristics? In this chapter, we shall discuss different uses of acid, base, and salt. You have learned about some organic acids … Read more
Last Updated: March 22, 2026 at 9:23 pm
Chapter 6. Polymer. Introduction: In our daily life different types of polymer substances are closely related. Some of them are natural while others are synthetic. Some of the polymer substances are environment-friendly and some of them are harmful to the environment. Household items of melamine, electric switchboard, carpets, PVC pipes, polythene bags, jute bags, silk, … Read more
Last Updated: March 22, 2026 at 9:23 pm
Chapter 5. Light for Sight. The necessity of light is unlimited in our daily life. If we close our eyes we cannot see anything. Again in a completely dark place, we cannot see anything in spite of opening our eyes. Light is that cause, with the help of which we can see. You have been … Read more
Last Updated: March 22, 2026 at 9:23 pm
Chapter 4. Starting a New Life. It is thought that life originated on the earth about three hundred and fifty crore years ago. The climate of the world then was not stable. After crores of years now, the world is in a stable position and has a more or less specific climate. Many species live … Read more
Last Updated: March 22, 2026 at 9:23 pm
Chapter 3. All about the Heart. The blood circulatory system is one of the most vital systems in human beings and other higher animals because this system supplies nutrition all over the body for metabolic activities. Blood circulatory system consists of blood, heart and blood vessels. The heart is formed by cardiac muscles. It is … Read more
Last Updated: March 22, 2026 at 9:23 pm
Chapter 2. Water for Life. Life is the other name of water. We obtain water from different sources. The sources of such an important resource are being polluted in many ways. Water is one of the naturally abundant liquid matter. In the human body, around 65-75% is water. Similarly meat, fish, vegetables, etc. may contain … Read more
Last Updated: March 22, 2026 at 9:23 pm
Chapter 1. Healthy Life, Better Living. We cannot live without food. Regularly several types of food are necessary for the growth and development of body, repair, and replacement of worn-out tissue, and for producing energy, etc. Our health depends largely on the quality of the food we take. Food can make differences in our appearance, … Read more
Last Updated: March 22, 2026 at 9:23 pm
Chapter 7. Family Farming. Bangladesh is an agriculture-based country. Agriculture is the key factor to run its economy. Farmers of this country maintain agricultural farms since the ancient period. Farmers produce a crop, livestock, poultry, and fish in their farms. The concept and importance of household agricultural farming have been discussed in this part. Chapter … Read more
Last Updated: March 22, 2026 at 9:23 pm