Competitive Exams

  Why is the sky blue? How do fish take a breath underwater? All these questions might have popped up in your mind when you were in school. When I was in high school, I was curious to know who created the universe, who came first on the earth, and, most funny, what would happen to gravity if the apple hadn't fallen on newton. In recent centuries scientists have left no time unexplored to answer everything around the world and within us. But every day, new discoveries get us into deeper questions. With the month of detailed research, I have responded to the five mind-blowing scientific answers to life’s biggest questions. How do fish take a breath underwater? Fish also need oxygen to survive like humans. The breathing patterns of fish are different from humans. Fish take a breath from the feathery organ called gills. But how do they extract it from water?  To remove the oxygen from the water, fish uses a unique organ called gills. It is an organ full of blood vessels used to ex...

  Finding a good balance between school and classes is very crucial. According to the data, 90% of the students take tuition classes after school to understand the concepts better and easily. Have you ever wondered how it is easy for some students to balance both of these and on top of that they also do their homework and self-study on time? We all know how NCERT Solutions for class 7 Science help students with the examination, and how will they help them if don’t know to solve them. So, here are some tips to balance your school life. Top 10 Tips For Balancing School And Tuition Plan ahead- Make a schedule and invest time sessions to your classroom, tuition classes, homework, and family responsibilities. Update your planner daily, keeping track of which tasks take less or more time than expected. You can also benefit from regularly creating and updating a list of priorities and projects. Make sure you follow the plan. Keep your focus on your goals- Sometimes you may feel frustrat...

  Ever your mind drives the question of why we use semiconductors instead of iron in computers or how the modern periodic table help scientists or researchers put their fingers on to characterize the particular elements. For advancing technology and future research, the periodic table helps scientists identify the complete information about elements like atomic mass, ionization, symbols, etc. It also helps to recognize those elements that have yet to be discovered.  What is a Periodic Table?     The periodic table also called the periodic table of chemical elements is an arrangement of elements in increasing order of atomic numbers and recurring chemical properties.  This table is distinguished by row and column, where the row represents periods, and the column represents the groups.   Read more about the class 11 periodic table . What is Block in a Periodic Table?   Charles Janet, a Biologist, and lepidopterist termed the Block a set of adjacent ...