Unit Guides. Activities. Interactive Test Prep. Welcome to the Virginia State Standards of Learning Practice Tests!
All of the questions on this site come from test materials released by the Virginia Department of Education and are used here with permission. All questions on this site are copyrighted by the Virginia Department of Education and may not be used by other persons or organizations without their permission. Attention Teachers! 8th Grade Test Prep. BUILDING BIG: Dam Basics. With the exception of the Great Wall of China, dams are the largest structures ever built.
Throughout history, big dams have prevented flooding, irrigated farmland, and generated tremendous amounts of electricity. Without dams, modern life as we know it would simply not be the same. BUILDING BIG: All About Dams. Interactive Simulations. Sheppard Software: Fun free online learning games and activities for kids. Lesson Plans. Chapter 1: Matter—Solids, Liquids, and Gases Students are introduced to the idea that matter is composed of atoms and molecules that are attracted to each other and in constant motion.
Students explore the attractions and motion of atoms and molecules as they experiment with and observe the heating and cooling of a solid, liquid, and gas.