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Professor Summer Ebs combines her education and teaching experience to create a Physical Science course geared towards middle school, but which is also appropriate for high school students. In the Physical Science course, Professor Ebs guides students through Chemistry and Physics lessons focusing on important concepts and diagrams, before finishing with many extra examples. The course covers subjects such as Heat, the Periodic Table, Chemical Reactions, Motion, and Forces. Professor Summer Ebs earned her Master's Degree in Science Education and has been teaching Physical Science for over 10 years.

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I. Chemistry
  Properties of Matter 30:50
   Intro 0:00 
   Matter 0:07 
    Matter 0:08 
    Substance, Element, and Compound 0:47 
    Homogeneous and Heterogeneous Mixture 1:47 
    Suspension, Colloid, and Solution 3:16 
   Physical Properties 5:25 
    Appearance: Color, Shape, Size, Density, and State of Matter 5:26 
    Behavior: Viscosity, Magnetism, Malleability, and Ductility 8:00 
   Physical Changes 10:29 
    Physical Changes 10:30 
   Chemical Properties 14:38 
    Chemical Properties 14:39 
   Chemical Changes 16:35 
    Chemical Changes 16:36 
    Signs of Chemical Change 16:55 
   Example 1: Identify the Mixtures Listed 19:21 
   Example 2: Physical or Chemical Change? 23:38 
   Example 3: How Can You Separate a Mixture of Sand, Gravel, Iron, Filings, Salt, and Water? 25:04 
   Example 4: Physical/Chemical Property and Change 27:27 
  Energy 53:22
   Intro 0:00 
   Energy 0:03 
    Energy Overview 0:04 
   Potential Energy 1:48 
    Potential Energy 1:49 
    Mechanical (Elastic) Potential Energy 1:54 
    Chemical Potential Energy 3:15 
    Nuclear Energy 4:06 
    Gravitational Potential Energy 4:43 
   Kinetic Energy 7:34 
    Kinetic Energy 7:35 
    Thermal Energy 8:03 
    Radiant Energy 8:57 
    Electrical Energy 9:47 
    Sound 10:17 
    Motion 10:54 
    Kinetic Energy: Example 11:31 
   Law of Conservation of Energy 12:47 
    Law of Conservation of Energy 12:48 
    Electrical to Radiant 13:21 
    Chemical to Thermal 14:34 
    Potential to Kinetic 15:10 
    Friction 18:48 
   Energy Resources 20:06 
    Nonrenewable: Fossil Fuels 20:51 
    Nonrenewable: Nuclear 21:56 
    Renewable: Solar 26:50 
    Renewable: Wind 29:22 
    Renewable: Tidal 31:10 
    Renewable: Hydroelectric 32:30 
    Renewable: Geothermal 35:24 
   Example 1: Gravitational Potential Energy 38:40 
   Example 2: Kinetic Energy 42:20 
   Example 3: Maximum and Minimum Potential and Kinetic Energy 44:48 
   Example 4: Should We Use Renewable or Nonrenewable Resources to Generate Electricity? 46:31 
  Heat and States of Matter 48:48
   Intro 0:00 
   Temperature 0:04 
    Temperature 0:05 
    Fahrenheit to Celsius 2:15 
    Celsius to Fahrenheit 4:29 
    Kelvins to Celsius and Celsius to Kelvins 5:50 
   Thermal Energy 8:06 
    Thermal Energy, Kinetic Energy, and Potential Energy 8:07 
    Changing Thermal Energy: Temperature 9:11 
    Changing Thermal Energy: State of Matter 9:37 
    Changing Thermal Energy: Amount of Matter 10:12 
   Heat 10:59 
    Heat 11:00 
    Specific Heat 12:21 
   Transfer of Thermal Energy 15:15 
    Conduction 15:16 
    Convection 16:43 
    Radiation 19:57 
   States of Matter 20:43 
    Solids: Arrangement of Atoms, Shape, Volume, and Molecular Motion 21:35 
    Liquids: Arrangement of Atoms, Shape, Volume, and Molecular Motion 23:49 
    Gases: Arrangement of Atoms, Shape, Volume, and Molecular Motion 25:33 
    Plasma: Arrangement of Atoms, Shape, Volume, and Molecular Motion 27:02 
   Changing States of Matter 27:49 
    Melting 27:50 
    Freezing 28:15 
    Vaporization 29:04 
    Boiling 29:17 
    Condensation 31:21 
    Temperature and Time Graph 32:18 
   Thermal Expansion 36:19 
    Thermal Expansion of Solids 37:16 
    Thermal Expansion of Liquids 38:17 
    Thermal Expansion of Gases 39:46 
   Example 1: Converting Temperatures 40:28 
   Example 2: Thermal Energy 43:35 
   Example 3: Quick Matching 44:58 
   Example 4: Why Does It Feel Cold When You Put Your Hand On the Table? 45:50 
   Example 5: Heat Transfer 46:48 
   Example 6: Changing States of Matter 47:29 
  Atoms and Elements 30:12
   Intro 0:00 
   Atoms 0:05 
    Atoms 0:06 
   Atomic Structure 1:01 
    Electron Cloud 1:02 
    Nucleus, Protons, and Neutrons 1:43 
    Quarks 2:07 
   Protons, Neutrons, Electrons 2:40 
    Protons, Neutrons, Electrons: Location 2:42 
    Protons, Neutrons, Electrons: Electric Charge 3:05 
    Examples 4:10 
   Electron Configuration 5:32 
    Electron Configuration 5:33 
   Elements 12:22 
    Atomic Number 13:05 
    Carbon 13:15 
    Oxygen 14:49 
    Important Elements for Living Things 16:25 
   Isotopes 17:04 
    Isotopes 17:05 
   Example 1: Atomic Structure and Electrical Charge 21:16 
   Example 2: Electron Configuration 23:13 
   Example 3: Electron Configuration 24:57 
   Example 4: Use the Periodic Table to Complete the Table Below 26:08 
  Periodic Table 47:23
   Intro 0:00 
   Periodic Table 0:06 
    Atomic Number, Chemical Symbol, and Atomic Mass 0:07 
   Groups and Periods 4:14 
    Groups and Periods 4:15 
   Electron Dot Diagrams 10:05 
    Electron Dot Diagrams 10:06 
   Ion Formation 19:09 
    An Ion Forms When an Atom Gains or Loses Electrons 19:10 
    A Positive Ion Forms When an Atom Loses and Electron 20:25 
    A Negative Ion Forms When an Atom Gains an Electron 26:49 
   Oxidation Numbers 28:51 
    Oxidation Numbers 28:52 
   Metals, Nonmetals, Metalloids 34:52 
    Metals, Nonmetals, Metalloids 34:53 
   Example 1: Group and Period 37:39 
   Example 2: Electron Dot Diagrams 39:50 
   Example 3: How do Fluorine and Calcium Become Ions? 42:10 
   Example 4: What Are 2 Ways to Find the Oxidation Number of Sodium? 44:58 
  Chemical Bonding, Part I 51:06
   Intro 0:00 
   Chemical Bonds Form Compounds 0:17 
    Atoms and Electrons 0:18 
    H2O 2:14 
    HCl 3:36 
    C6H12O6 4:16 
    Ca(NO3)2 5:06 
    Review: Dot Diagrams 7:10 
    Review: Ion Formation 8:30 
   Ionic Bond 9:57 
    Ionic Bond 9:58 
    Sodium and Fluorine 10:41 
    Magnesium and Chlorine 16:30 
   Covalent Bond 22:19 
    Covalent Bond 22:20 
    Hydrogen and Carbon 23:58 
    Hydrogen and Oxygen 27:28 
   Multiple Covalent Bonds 29:03 
    Single Covalent Bond 29:04 
    Double Covalent Bond 29:40 
    Triple Covalent Bond 31:50 
   Polar and Nonpolar Molecules 33:33 
    Polar Molecules 33:34 
    Unequal sharing of Electrons and Electronegativities 35:02 
    Nonpolar Molecules 37:46 
   Example 1: Elements and Atoms 38:42 
   Example 2: Dot Diagram of the Bond That Forms Between Magnesium and Oxygen 41:17 
   Example 3: Dot Diagram of the Bond That Forms Between Nitrogen and Oxygen 45:24 
   Example 4: Polar or Nonpolar? 47:22 
  Chemical Bonding, Part 2 56:22
   Intro 0:00 
   Bonding Atoms Make Compounds 0:05 
    Binary Compounds 0:06 
    Reviwew: Oxidation Number 1:14 
   Naming Ionic Compounds 1:45 
    Naming Ionic Compounds 1:46 
    NaCl 2:26 
    MgCl2 5:04 
    Al2S3 6:52 
   Writing Formulas of Ionic Compounds 10:03 
    Writing Formulas of Ionic Compounds 10:04 
    Beryllium Fluoride 10:17 
    Lithium Nitride 12:24 
    Calcium Bromide 13:53 
   Polyatomic Ions 15:31 
    Polyatomic Ions 15:32 
    Ammonium Phosphate 17:21 
    Aluminum Hydroxide 19:37 
    Magnesium Chlorate 20:54 
    NaOH 21:47 
    (NH4)2O 22:17 
    Mg(NO3)2 22:56 
   Special Ions 23:28 
    Iron (III) Iodide 24:28 
    Lead (IV) Chloride 26:30 
    Chromium (III) Oxide 27:31 
    Fe3P2 29:18 
    CuI2 31:51 
    PbBr2 33:04 
   Naming Covalent Compounds 33:57 
    Naming Covalent Compounds 33:58 
    Examples 35:03 
   Ionic or Covalent? 39:50 
    Ionic vs. Covalent: Electron 39:51 
    Ionic vs. Covalent: State At Room Temperature 10:23 
    Ionic vs. Covalent: Metal, Nonmetal, Metalloids 41:02 
    Ionic vs. Covalent: Naming 41:35 
   Example 1: Write the Names or Formulas for Each Ionic Compound 42:50 
   Example 2: Write the Names or Formulas for Each Covalent Compound 46:13 
   Example 3: Name the Following Ionic Compounds 49:44 
   Example 4: Provide the Formulas for the Following Ionic Compounds 52:19 
   Example 5: Ionic or Covalent? 54:21 
  Chemical Reactions 49:13
   Intro 0:00 
   Chemical Reactions 0:05 
    Chemical Reactions 0:06 
    Chemical Formula Example 0:54 
    Reactants and Products 3:50 
   Conservation of Mass 4:58 
    The Total Mass of the Reactant Must Equal the Total Mass of the Products 4:59 
    Balancing Chemical Equations 6:42 
   Balancing Equations 11:12 
    Example 1: Balancing Equations 11:27 
    Example 2: Balancing Equations 14:15 
    Example 3: Balancing Equations 16:28 
   Types of Reactions 19:17 
    Synthesis 19:18 
    Decomposition 20:09 
    Single-Displacement 20:54 
    Double-Displacement 22:12 
    Combustion 23:34 
   Energy in Chemical Reactions 24:41 
    Chemical Reactions and Activation Energy 24:42 
    Endergonic Reactions 25:55 
    Exergonic Reactions 27:51 
   Rate of Chemical Reactions 29:42 
    Rate of Chemical Reactions Overview 29:43 
    Temperature 30:51 
    Concentration 31:26 
    Agitation 32:08 
    Surface Area 32:29 
    Pressure 33:06 
    Catalysts and Inhibitors 33:18 
   Example 1: Translate Into Chemical Equations 34:32 
   Example 2: Law of Conservation of Mass 37:35 
   Example 3: Balance the Following Equations 40:33 
   Example 4: Math Each Equation With the Correct Type of Reaction 44:58 
   Example 5: Exothermic or Endothermic Reaction? 48:21 
  Solutions, Acids, and Bases 29:00
   Intro 0:00 
   Solutions 0:06 
    Definition of Solution 0:07 
    Solute and Solvent 0:26 
    Example: Salt Water 0:35 
    Example: Carbonated Water 1:03 
   Dissolving 1:49 
    Dissolving 1:50 
    Example: Liquid Dissolves a Solid at the Surface of the Solid 3:54 
    Aqueous Solutions: Water as Solvent 4:42 
   Increasing the Rate of Dissolving 5:33 
    Stir 5:34 
    Crush 6:37 
    Heat 7:36 
   Solubility 8:31 
    Definition of Solubility 8:32 
    Compare the Solubility of Sugar in Water vs. Salt in Water 8:44 
    Factors that Affect Solubility 11:45 
   Concentration 12:45 
    Concentration 12:46 
   pH Scale 15:21 
    pH Scale: Acids, Neutral, and Bases 15:22 
   Acids and Bases 18:01 
    Chemical Properties 18:02 
    Physical Properties 18:43 
    pH Scale 19:31 
    Examples of Acids and Bases 19:36 
    Acids and Bases React Together to Form Salt and Water 20:09 
   Example 1: Identify the Solutes and Solvents for the Following Solutions 21:26 
   Example 2: Temperature and the Rate of Dissolving/Solubility of a Solid 23:57 
   Example 3: How Can You Make a Solution Have a Higher Concentration? 25:44 
   Example 4: Acids and Bases 27:57 
II. Physics
  Waves 42:35
   Intro 0:00 
   Waves 0:05 
    Introduction to Waves 0:06 
    Mechanical Waves 1:24 
    Electromagnetic Waves 1:50 
   Mechanical Waves 2:13 
    Transverse 2:14 
    Longitudinal (Compressional Waves) 4:00 
   Properties of Waves 7:26 
    Transverse and Compressional Waves: Wavelength 7:27 
    Transverse and Compressional Waves: Frequency (Hz) 9:32 
    Transverse and Compressional Waves: Amplitude 11:30 
    Wavelength and Frequency are Related 13:40 
   Wave Speeds 15:01 
    Wave Speeds 15:02 
   Behavior of Waves 18:06 
    Reflection 18:33 
    Refraction 22:42 
    Diffraction 24:25 
   Electromagnetic Waves 26:00 
    Electromagnetic Waves 26:01 
   Visible Light 30:49 
    Visible Light 30:50 
    Opaque 34:25 
    Translucent 34:54 
    Transparent 35:41 
   Example 1: Label the Transverse Wave 36:59 
   Example 2: Label the Compressional Wave 38:13 
   Example 3: What Happens to the Frequency of a Wave as the Wavelength Increases? 39:12 
   Example 4: Law of Reflection and Light Wave 40:48 
  Motion 37:21
   Intro 0:00 
   Distance vs. Displacement 0:04 
    Distance 0:05 
    Displacement 0:49 
   Speed 4:47 
    Speed 4:48 
    Instantaneous Speed 6:14 
    Average Speed 6:40 
    Velocity 7:25 
   Distance-Time Graphs 8:21 
    Distance-Time Graphs 8:22 
   Acceleration 13:38 
    Acceleration Definition 13:39 
    Acceleration Equation 15:23 
    Positive Acceleration 18:43 
    Negative Acceleration 18:52 
   Speed-Time Graphs 20:56 
    Speed-Time Graphs 20:57 
   Example 1: Displacement, Distance, and Average Speed 25:15 
   Example 2: Velocities 28:02 
   Example 3: Acceleration 28:59 
   Example 4: Distance and Time 30:19 
   Example 5: Speed and Time 34:08 
  Forces 35:03
   Intro 0:00 
   Force 0:04 
    Force Definition 0:05 
    Net Force 1:44 
    Balanced Forces 3:06 
    Unbalanced Forces 4:23 
    Forces Examples 5:09 
   Friction 7:53 
    Friction Definition 7:54 
    Static Friction 8:23 
    Sliding Friction 9:35 
    Rolling Friction 10:11 
    Fluid Friction 11:13 
    Air Resistance 12:10 
   Newton's Laws of Motion 14:06 
    First Law of Motion 14:07 
    Inertia 15:56 
   Newton's Laws Continued 17:13 
    Second Law of Motion 17:14 
    Third Law of Motion 18:35 
   Gravitational Force 24:17 
    Gravity and Gravitational Force 24:18 
   Example 1: Horizontal Force, Frictional Force, and Net Force 28:36 
   Example 2: Net Force and Acceleration 29:38 
   Example 3: Gravitational Force 30:35 
   Example 4: Force of Air Resistance and Net Force 32:32 
  Density & Buoyancy 23:43
   Intro 0:00 
   Density 0:05 
    Definition of Density 0:06 
    Density = Mass / Volume 1:01 
   Density of Irregular Objects 3:58 
    Density of Irregular Objects 3:59 
   Buoyant Force 7:46 
    Buoyancy 7:47 
    Archimedes' Principle 9:23 
   Floating and Sinking 12:47 
    Floating and Sinking: Looking at Density 12:48 
   Example 1: Density of an Object 16:15 
   Example 2: Density of Yourself 17:28 
   Example 3: Using Archimedes' Principle to Predict If an Object Will Sink or Float in Water 19:38 
   Example 4: Will Aluminum, Gold, and Oil Float or Sink When Placed Into Water? 22:06