The PRAXIS II Middle School Science Exam (0439) is taken by candidates interested in teaching middle school science. The exam is comprised of 90 multiple choice and three brief response questions. Candidates have two hours to complete the exam.
The Short Essay section of the exam covers earth and space sciences, life sciences, physical sciences, scientific concepts, models, field and laboratory demonstrations, hypothesis, data analysis, natural cycles, and the relationship between science, society and technology.
The Science, Technology, and Society section of the exam covers prenatal testing, prolonging life, cloning the production and storing of energy, consumer products, natural resources, nutrition and public health concerns.
The Earth and Space Sciences section of the exam covers astronomy, meteorology, oceanography, geology, bodies in the solar system, measuring distance, the origin and structure of the Universe climate, precipitation, global wind belts, solar radiation, properties of seawater, topography, oceanic land forms, shore lines, water currents, and tides.
The Life Sciences section of the exam covers ecology, life forms, evolution, the ecosystem, altruism, dominance, territoriality, population dynamics, homeostasis, immunity, bodily systems, asexual and sexual reproduction, class, order, family, genus, species protein synthesis, genetic mutations, DNA replication and recombinant DNA.
The Chemistry section of the exam covers solubility, chemical reactions, states of matter, the kinetic theory, chemical bonding, the mole, periodicity salts, bases, acids, solvents, electrochemistry, exothermic and endothermic reactions, kinetic molecular theory, structural formulas, electron dots, and periodic trends.
The Physical Sciences section of the exam covers mechanics, electricity , magnetism, waves geometric optics, polarization, the visible spectrum, the electromagnetic spectrum, sound waves, polarization, the Doppler effect, inference, diffraction, supra position, scattering, transmission, dispersion, distortion, reflection, fraction, longitudinal and transverse waves, frequency, wavelength, amplitude, motors and transformers, magnetic forces and fields, sources of EMF, direct and alternating current, Ohms law, insulators, conductors, circuits, capacitance, electromotive force, resistance, electrical charges, Bernoulli’s principle of fluids, Archimedes principle, Pascal’s fluid principle, gravity, torque, momentum, angular momentum conversion, torque, simple machines, power, energy, weight, mass, Newton’s law of motion, friction.
The Scientific Methodologies, Techniques and History section of the exam covers nuclear and anatomic structure, thermodynamics, laboratory safety, data, nuclear reactions, radio activity, radioisotopes, energy conservation, changes in matter, knowledge of equipment, data interpretation from visual models, and scientific notation.
The Scientific Methodologies; Techniques and History section of the exam covers scientific concepts in various disciplines, science history, designing and scientific methods.
Praxis II Middle School Science Practice Questions