Ecosystems Class 8 Science Notes Maharashtra State Board Ecosystem: The world around us is made up of living and non-living factors. The living is called biotic factors while non-living are called abiotic factors. There is a continuous interaction between these living and non-living factors. Living organisms and their habitat, and environment are correlated with each … Read more
Man made Materials Class 8 Science Notes Maharashtra State Board We use various types of materials in our daily life. Those materials are made up of various materials like wood, glass, plastic, thread, soil, metals, rubber, etc. Out of those, wood, rock, minerals, water are natural. Humans performed research on various natural materials in the … Read more
Reflection of Light Class 8 Science Notes Maharashtra State Board We get different feelings through our senses. The sense of vision is the most important among our five senses. Because of this, we can see the hills, rivers, trees, people, and objects around us. Only with this, we can see beautiful views of nature like … Read more
Sound Class 8 Science Notes Maharashtra State Board Production of Sound We have learned that sound can be generated from a vibrating object. With an example of a tuning fork, we will now learn about how sound is produced due to such vibrations. A photograph of the tuning fork is shown in Figure. A tuning … Read more
Measurement and Effects of Heat Class 8 Science Notes Maharashtra State Board We have seen in previous standards that heat is a form of energy flowing from an object at a high temperature to a low temperature. The temperature of an object tells us how hot or cold that object is. The temperature of a … Read more
Chemical Change and Chemical Bond Class 8 Science Notes Maharashtra State Board Ripening of mango, melting of ice, boiling of water, dissolution of salt in water, Ripening of banana, fragrance on ripening fruit, darkening of cut potato, bursting of an inflated balloon, sound of bursting fire cracker, foul smell from spoiled food. During any chemical … Read more
Introduction to Acid and Base Class 8 Science Notes Maharashtra State Board Acid You will notice that some substances have a sweet taste, some are bitter, and some are sour or astringent. Lemon, tamarind, vinegar, or amla-like substances acquire sour taste due to the presence of a typical compound in them. Such compounds imparting a … Read more
Human Body and Organ System Class 8 Science Notes Maharashtra State Board In the last class, we studied some characteristics of living organisms. All the vital processes which are essential properties of living beings, are collectively called life processes. Different organs in our body work in groups to smoothly carry out various life processes. These … Read more
Cell and Cell Organelles Class 8 Science Notes Maharashtra State Board Structure of the Cell According to the functions, cells of different sizes and structures are found in different organs. Components of a Cell 1. Cell Wall: It is found around the cells of algae, fungi, and plants. Animal cells lack cell walls. The cell … Read more
Disaster Management Class 8 Science Notes Maharashtra State Board Earthquake Sudden vibrations on the earth and shaking of the earth’s surface /ground is called an earthquake. These cause seismic waves leading to movements of the earth’s surface like tremors, shaking, or going down. The shocks and waves formed in the interior of the earth spread … Read more