cranes, flagpolesand window blinds truck best illustrates which type of simple machine?A. screw B. whell &axle C. wedge D. pulley
B wheel & axle
Correct me if i wrong :)
physics: the study of matter and energy and the interactions between them. physicists study such subjects as gravity, light, and time. albert einstein, a famous physicist, developed the theory of relativity.
chemistry: the science that deals with the composition, properties, reactions, and the structure of matter. the chemist louis pasteur, for example, discovered pasteurization, which is the process of heating liquids such as milk and orange juice to kill harmful germs.
astronomy: the study of the universe beyond the earth's atmosphere.
see also: chemistry science projects for beginners, chemistry science projects: intermediate-level, and chemistry science projects: advanced-level
see also: physical science projects for beginners, physical science projects: intermediate-level, and physical science projects: advanced-level
the earth sciences
geology: the science of the origin, history, and structure of the earth, and the physical, chemical, and biological changes that it has experienced or is experiencing.
oceanography: the exploration and study of the ocean.
paleontology: the science of the forms of life that existed in prehistoric or geologic periods.
meteorology: the science that deals with t
the littlest string vibrates faster because it is the smallest