Science 102: Principles of Physical Science

About This Course

Lessons in this course delve into the study of chemistry and physics in the natural world. You can start by examining atomic theory and the division of matter into subatomic particles or begin with Newton's laws of motion. By the course's end, you'll be able to recognize how these concepts relate to chemical reaction rates, phase changes, the generation of electrical power and more.

This course can help you prepare for the DSST Principles of Physical Science I exam, which could earn you college credit. Topics of study covered in this course include:

  • Laws describing energy transfer and motion
  • Practical applications of electromagnetic waves
  • Atomic structure and types of molecular bonds
  • Solution chemistry and acid-base reactions
  • Theories used to explain and predict chemical reaction rates
  • Gas laws and formulas for determining temperature, pressure and other variables
  • Phase changes and kinetic molecular theory
  • Steps for balancing chemical and nuclear equations

Whether you're looking to supplement your own physical sciences coursework or preparing to earn course credit by examination, instructors teaching these video lessons use instructional techniques that make the content informational and entertaining. The lessons also feature transcripts you can use to review summaries and vocabulary terms at a glance as well as brief self-assessment quizzes highlighting the main ideas.

Course Chapter Objectives
Newton's Laws of Motion Explore the relationships between force, motion and acceleration. Apply formulas for calculating speed and velocity and examine the laws describing circular motion and gravitational forces. Learn about the types of forces and states of motion.
Energy and Momentum Identify the differences between kinetic and potential energy before tackling the work-energy theorem and the laws of thermodynamics. Examine different energy types, including mechanical, thermal, chemical and nuclear energies.
Thermodynamics in Physical Science Look into the relationship between heat and temperature. Study phase changes and heating curves and learn how to calculate energy transfer, heat capacity and changes in enthalpy. Follow steps for predicting the spontaneity of a reaction.
Waves and Optics Discern regions in the electromagnetic spectrum and characteristics of visible light waves. Discuss the resonance, reflection, dispersion, refraction and absorption of waves and find out which wave parameters determine the pitch and volume of sound.
Electric Power & Electricity Examine the fundamentals of electric circuits and currents. Explore Ohm's law and Coulomb's law and learn about variables affecting electrical resistance. Study the relationship between electric potential, charge and force.
Magnetism Investigate the practical applications of magnetic forces. Learn about the strength, shape and direction of magnetic fields and the variables affecting electromagnetic induction.
Experimental Chemistry in the Laboratory Find out how to convert units of measurement, conduct dimensional analyses and use lab equipment during experimentation. Understand the concept of significant figures and report large numbers using scientific notation.
Properties of Matter in Chemistry Identify the differences between matter's physical and chemical properties. Recognize the energy changes that take place during chemical reactions and differentiate between endothermic and exothermic reactions.
Elements, Compounds, Mixtures & Solutions Discover steps for determining molar mass and calculating solution dilution, molality and molarity. Examine Raoult's law and colligative properties as well as methods for separating mixtures.
Bonding in Chemistry Explore properties of covalent, ionic, polar covalent and hydrogen bonds. Investigate diagrams and theories used to explain ion formation, bond polarity, intermolecular forces and molecular shape.
Gases & Gas Laws Learn units for measuring the temperature, pressure and density of gas as well as the laws used to determine volume, velocity and kinetic energy. Find out how to use the Van der Waals equation to perform calculations involving these variables.
Kinetics in Chemistry Determine the effects of temperature on chemical reaction rates. Discover why collision theory explains differing reaction rates and learn to describe rate constants for forward and reverse reactions.
The Periodic Table Identify groups and periods in the periodic table. Recognize the variations among these groups' metallic character, electronegativity, ionization energy and ionic radii.
Phase Changes for Liquids and Solids in Chemistry Interpret phase diagrams for water and other substances. Discover the processes involved in freezing, melting, evaporation, condensation and sublimation. Study types of crystal structures as well as kinetic molecular theory.
Atomic Theory and Atomic Structure Introduce yourself to early atomic theory. Learn how to use an element's atomic number to determine mass and Avogadro's number to calculate the quantity of atoms. Examine electron configurations, the law of conservation, the de Broglie hypothesis and the Bohr model.
Stoichiometry Explore steps for balancing chemical equations and calculating excess reactants, percent composition, reaction yield and percent yield. Find out how to determine mass-to-mass and mole-to-mole ratios.
Radioactivity Study the concept of mass-energy conversion. Follow steps for balancing nuclear equations and calculating half-life. Examine types of radioactive decay and the practical applications of nuclear chemistry in medicine, energy production and carbon dating.
Acids, Bases and Reactions in Chemistry Learn the pH scale along with the Bronsted-Lowry, Lewis and Arrhenius definitions of acids and bases. Examine neutralization, acid-base reactions and the autoionization of water. Find out how to calculate precipitation, redox, single displacement, half-cell and combustion reactions.
Equilibrium Study acid-base and solubility equilibriums. Practice calculating solution pH, equilibrium constants and quotients. Identify factors affecting system equilibrium.

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