Cascade Canyon

7th and 8th Grade Science

Introduction to Physical Science Materials: Physical Science, Holt Science and Technology Chemical Interactions, Full Option Science System (FOSS), Lawrence Hall of Science UC Berkeley Our science program in seventh and eighth grade alternates years of study between Life Science and Physical Science. Central to both years of middle school science is our use of the scientific method and our emphasis on hands-on inquiry and experimentation. This year we are in our Physical Science cycle, which includes the following units of study.   Scientific Method ·   Asking a question, forming and testing a hypothesis, collecting data, analyzing results, drawing conclusions, and communicating results ·   What is physical science? ·   Using objects and ideas as models for experimenting and understanding ·   Measurement: length, volume, mass, temperature, area, density   The Properties of Matter ·   Calculating mass, volume and weight ·   Inertia ·   Density ·   Physical v. chemical changes of matter's ·   The four states of matter: solids, liquids, gases and plasmas ·   Boyle's Law and Charles's Law ·   Changes of state: melting, freezing, vaporization, condensation and sublimation   Physics Matter and Forces in Motion ·   Measuring and calculating speed, velocity and acceleration ·   Forces, friction and gravity ·   Isaac Newton ·   Motion and air resistance ·   Galileo ·   Terminal velocity ·   Projectile motion ·   Newton's Three Laws of Motion Work and Machines ·   Work, power and mechanical advantage and efficiency ·   Levers, inclined planes, wedges, screws, wheel and axle, pulleys, compound machines ·   Rube Goldberg devices Energy and Energy Resources ·   Kinetic, potential and mechanical energy ·   Different types of energy: thermal, chemical, electrical, sound, light and nuclear energies ·   Energy conversions ·   Law of conservation of energy ·   Perpetual motion ·   Renewable and nonrenewable resources Electricity and Magnetism ·   Atoms, charge and electrical force ·   Conductors v. inductors ·   Static electricity ·   Batteries ·   Types of cells ·   Electric current ·   Voltage and resistance ·   Ohm's Law ·   Electric power and circuits (series and parallel) ·   Magnetic Earth and electric current ·   Electromagnets   Chemistry Atoms ·   Atomic theory - John Dalton, J.J. Thompson, Ernest Rutherford, Niels Bohr ·   Atomic number, mass number, isotopes, atomic mass ·   Forces at work inside atoms Periodic Table ·   Classes of elements and element groups ·   Chemical bonds: ionic, covalent, metallic bonds Chemical Reactions and Compounds ·   Writing and balancing chemical equations ·   Acids, bases and salts Astronomy ·   Earth's seasons, revolution and rotation ·   Models of the solar system ·   Sun ·   The moon's composition and phases and Earth's tides ·   Our solar system: Inner planets, outer planets, dwarf planets, asteroids, meteors, comets ·   Characteristics and life cycles of stars ·   Galaxies

 

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