This e-book-DVD contains interactive quizzes for grade 8 students for Science Olympiad preparations. There are total 25 quizzes. Total No. of Questions: 1900+ Table of content: Biology: cell-structure & functions, conservation of plants & animals, crop production & management, micro-organisms friends & foe, pollution of air and water, reaching the age of adolescence, reproduction in animals Chemistry: carbon compound & petroleum, coal & petroleum and fuels, combustion & flame, metals & non-metals, the structure of atom and synthetic fibres & plastics Physics: chemical effects of electric current, force & pressure and friction, light, some natural phenomena, sound and stars & the solar system This DVD contains 7 quiz applications. NO internet is required to take the quiz/Practice tests. Students can take quiz any number of times. The applications should be installed in computer/laptop ( windows 7 and above). An icon will be created on desktop. A licence is required to play the quiz application. Send the token number and Product id at e-mail: support@learnersplanet.com, Ge the licence and start learning ! Have fun!