Once food has reached the sea floor, currents carry this food and organisms filter it without having to use their own energy to go and get food. Another way organisms use energy is by coming out at night and rising to feed on upper-level organisms.
Physical Science redirects here. It is not to be confused with Physics. Physical science is a branch of natural science that studies non-living systems, in contrast to life science. It in turn has many branches, each referred to as a physical science, together called the physical sciences.
Welcome to Physical Science! Homework: Study for MSL Exam!!! Important Dates: Dear Students and Families, Welcome! Iâm excited about the opportunity to get to know you, and Iâm looking forward to a happy and productive school year. Curriculum areas we will focus on this year include the Motion, Force, Energy, Gases, Electrical Circuits and Chemistry.