Physical Science 8 Set Eighth grades students study living organisms and their response to the environment. They study the population growth, symbiosis, food chains, and ecological succession. Students learn to read a weather map and study weather instruments, fronts and masses, hurricanes, tornadoes, lightening, and clouds. The students study cell biology and genetics. The curriculum includes hands on laboratory experiences, research projects, textbook information acquisition and note taking techniques. Eighth grade students learn about stars and galaxies, planets, comets, meteors and asteroids. They study speed, velocity, acceleration, and gravity. Through experiments they evaluate chemical reactions. Students study air, water, and chemical pollution as well as fossil fuels, solar energy, and energy conservation.