God created this wonderful world and He gave us senses to experience his bounties.In many parts of the world, the students are 15–16 years of age, depending on when their birthday occurs. Tenth grade or grade 10 (called Year 11 in England and Wales, and sophomore year in the US) is the tenth year of school post-kindergarten or the tenth year after the first introductory year upon entering compulsory schooling.Hire qualified researchers and build the best teams in science. Discover scientific knowledge and stay connected to the world of science.