JSC Science Note1

JSC Science Note1. Education is the prerequisite for the highest level of national life. And to face the challenges of the dynamically challenged 20, the need for skilled and educated manpower is to lead Bangladesh towards the development and prosperity. One of the main goals of secondary education is to help develop the student’s inherent … Read more

Last Updated: March 22, 2026 at 7:03 pm

JSC Science Note2

JSC Science Note2. Education is the prerequisite for the highest level of national life. And to face the challenges of the dynamically challenged 20, the need for skilled and educated manpower is to lead Bangladesh towards the development and prosperity. One of the main goals of secondary education is to help develop the student’s inherent … Read more

Last Updated: March 22, 2026 at 7:03 pm

JSC Science Note 13th Chapter Food and Nutrition

JSC Science Note 13th Chapter Food and Nutrition. Nutrition is the science that interprets the interaction of nutrients and other substances in food in relation to maintenance, growth, reproduction, health, and disease of an organism. It includes food intake, absorption, assimilation, biosynthesis, catabolism, and excretion. The diet of an organism is what it eats, which is … Read more

Last Updated: March 22, 2026 at 8:28 pm

JSC Science Note 11th Chapter Light

JSC Science Note 11th Chapter Light. The branch of physics dealing with the properties and behavior of light is called optics. Light is a form of energy which helps us to see the objects. Have you ever wondered why we are able to see the different objects around us, their images in a mirror or … Read more

Last Updated: March 22, 2026 at 8:28 pm

JSC Science Note 9th Chapter Circuit and Current Electricity

JSC Science Note 9th Chapter Circuit and Current Electricity. An electronic circuit is composed of individual electronic components, such as resistors, transistors, capacitors, inductors, and diodes, connected by conductive wires or traces through which electric current can flow. Electricity is the physical flow of electrons, referred to as an electrical current. Electricity is an energy carrier that … Read more

Last Updated: March 22, 2026 at 8:28 pm

JSC Science Note 8th Chapter Chemical Reaction

JSC Science Note 8th Chapter Chemical Reaction. Chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products. Substances are either chemical elements or compounds. A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products. Chemical reactions are … Read more

Last Updated: March 22, 2026 at 8:19 pm

JSC Science Note 6th Chapter Atomic Structure

JSC Science Note 6th Chapter Atomic Structure. Atoms are the foundation of chemistry. They are the basis for everything in the Universe. As you know, the matter is composed of atoms. Solids are made of densely packed atoms while gases have atoms that are spread out. We’re going to cover basics like atomic structure and … Read more

Last Updated: March 22, 2026 at 8:19 pm

JSC Science Note 1st Chapter Animal classification

JSC Science Note 1st Chapter Animal classification. Diverse nature is full of patterned patterns. We recognize this diversity of nature with the help of counting and numbers. Patterns have been involved in our lives in many ways. A pattern that separates the red-blue block of the baby – the red will go towards it, the blue ones will be … Read more

Last Updated: March 22, 2026 at 8:19 pm