Matter is everything around you. Everything that possess mass and occupy space or volume is matter and can be felt by one or more of our five senses. It was postulated by Maharashi Kanad that if we divide Padarth (matter) we will get smaller and smaller particles. After a time it will not be possible

मनुष्य तथा सभी जीव- जंतुओं एवं वनस्पतियों के जीवन के लिए वायु के बाद जल परम आवश्यक तत्व है, यदि धरती पर जल नहीं होगा तो जीव - धारियों का नामोनिशान तक नहीं होगा | यद्यपि धरती के लगभग तीन - चौथाई भाग पर जल विद्यमान हैं, परंतु इसमें अधिकांश जल की मात्रा महासागरीय एवं

सूर्य पृथ्वी के लिए ऊष्मा एवं ऊर्जा का प्रमुख स्रोत है, जिससे निरंतर पृथ्वी को सूर्य की किरणों के रूप में ऊष्मा एवं ऊर्जा प्राप्त होती है l दिन भर पड़ने वाली सूर्य की किरणों से पृथ्वी के तापमान में वृद्धि होती है और रात होने पर जब सूर्य की किरणें पृथ्वी पर नहीं आती

एपीजे अब्दुल कलाम भारत के महान वैज्ञानिक, इंजीनियर, शिक्षक और लेखक थे | यह ऐसे महान वैज्ञानिक थे, जिन्होंने अपना पूरा जीवन देश की सेवा में समर्पित कर दिया | यह भारत के राष्ट्रपति भी रहे और एक शिक्षक के रूप में भारत के युवाओं के आदर्श भी बने | इन्होंने हर क्षेत्र में अपनी

Genetics is a branch of biology that deals with study of heredity and variation. The passing of characters from parents to offspring or from one generation to next generation is generally defined as heredity or inheritance.

Reproduction is a biological process of production of new organisms from the existing organisms of same species.  The existing organisms are referred as parent whereas the new organisms produced by them are called off springs.

Food adulteration is the act of adding inferior substances to food in order to make it more profitable. This is done by adding cheaper ingredients or by adding chemicals that change the appearance or taste of the food. It is one of the problems that has been a major concern in India for many years.

Teaching is considered to be one of the most important and respected professions in the world. Other professions look up to teachers and see them as role models. It takes a lot of work to become a good teacher, but it is worth it. When students learn from a great teacher, it becomes an unforgettable

Immediate surrounding where we live is environment. It can also be referred as the combination of all the physical and biological conditions affecting the responses of living organisms. It basically consists of two components:

Earth is the most densest planet of the solar system. It is the fifth largest planet and habitat for many creatures like us. It is the only planet where humans and other creatures can survive with the help of air, water & land. We have got a lot from it and it is our duty