The Stockholm Junior Water Prize (SJWP) is the world's most prestigious youth award for a water-related science project. The prize taps into the unlimited potential of today's high school students as they seek to address current and future water challenges. The competition is open to any high school student in grades 9-12, and are 15 years of age by August 1stof the competition year. All research papers must be uploaded online no later than April 15th of each year to compete in their state’s competition. All state winners will receive an all-expenses paid trip to the SJWP National Competition. The national winner will receive $10,000 and an all-expenses paid trip to Stockholm, Sweden to participate in the SJWP International Competition.
This is an online book that covers Astronomy of the Earth's Motion in Space, Newtonian Mechanics, The Sun, Spaceflight and Spacecraft, and a Math Refresher. It was originally intended for high schoolers, but the author has fleshed out many sections and some information is at the college level. The author also has a number of resources at this link: http://www.phy6.org/readfirst.htm