Welcome to Siebert Science!

I make science YouTube videos to “flip” my Anatomy & Physiology,
Physics, and AP Chemistry classes. I hope you find them helpful!

Click to jump down to any subject:
Anatomy & Physiology / Physics / AP Chemistry / First-Year Chemistry

Click any numbered topic to go directly to that topic’s YouTube video.
Some units also have a resource page with my videos and resources in one place.

Anatomy & Physiology Videos

Intro to Anatomy and Physiology | Resource Page

  1. Anatomical Directional Terms
  2. Human Body Planes
  3. Human Body Cavities
  4. Homeostasis

Nervous System | Resource Page

  1. Neuron Structure and Function
  2. Types of Neurons – Structural and Functional Classes
  3. Action Potentials
  4. Synaptic Transmission
  5. Divisions of the Nervous System
  6. Brain: Cerebrum and Cerebellum
  7. Brain: Brainstem and Diencephalon
  8. Spinal Cord Injury Physiology
  9. Human Eye

Endocrine System | Resource Page

  1. How Hormones Communicate
  2. Endocrine Organs
  3. Hypothalamus-Pituitary-Thyroid (HPT) Axis
  4. Diagnosing Disorders with the HPT Axis
  5. Blood Sugar Regulation

Reproductive System | Resource Page

  1. Male Reproductive System
  2. Female Reproductive System
  3. Ovarian and Menstrual Cycle

Integumentary System

  1. Skin

Skeletal System | Resource Page

  1. Bones of the Skeleton
  2. Anatomy of a Long Bone
  3. Anatomy of the Knee Joint
  4. Anatomy of the Shoulder Joint
  5. Anatomy of the Elbow Joint
  6. Anatomy of the Hip Joint

Muscular System | Resource Page

  1. Muscles and Movement
  2. Skeletal Muscle Levels of Organization
  3. Sliding Filament Model and Excitation-Contraction Coupling

Respiratory System

  1. Respiratory System Structure and Function

Cardiovascular System | Resource Page

  1. Components of the Blood
  2. Blood Types (ABO and Rh groups)
  3. Path of Blood Flow Through the Heart / Short
  4. Heart and Circulation Model Tour
  5. Sheep Pluck Dissection (Heart, Lungs, Trachea)
  6. Arteries, Veins, and Blood Pressure Readings

Immune System | Resource Page

  1. Specific (Acquired) Immunity

Digestive System | Resource Page

  1. Digestive System Structure and Function

Urinary System | Resource Page

  1. Urinary System Structure and Function
  2. Nephron – Filtration and Reabsorption Introduction
  3. Renin-Angiotensin-Aldosterone System (RAAS)

Physics Videos

Experiments and Data

  1. Converting Units – Multiplying by conversion factors
  2. Best Fit Line (by hand & digital)
  3. Proportional Reasoning and Function Types

Constant-Velocity Motion | Guided Notes

  1. Position (and Displacement) Equation
  2. Creating Position-Time and Velocity-Time Graphs
  3. Converting between Position-Time and Velocity-Time Graphs (Quantitative)

Forces, Pt. 1: Newton’s First Law | Guided Notes

  1. Six Common Types of Forces
  2. How to Draw Free Body Diagrams (Qualitative)
  3. Head-to-Tail Vector Addition
  4. Diagonal Vector Trigonometry (+Pyth. Theorem & Inverse Tangent)
  5. FBD Analysis w/Diagonal Force (pulling a box; constant speed)
  6. FBD Analysis w/Diagonal Force (helicopter flying; changing speed)

Forces, Pt. 2: Force Equations & Newton’s Third Law | Guided Notes

  1. FBD Analysis w/Newton’s Third Law
  2. Friction Force Equations (Static and Kinetic)

Accelerating Motion and Newton’s Second Law

  1. Stacks of Kinematics Graphs

Momentum Transfer

  1. Conservation of Momentum (3 Ways to set up the problem)

Projectile Motion

  1. Introduction to Projectile Motion
  2. Projectile Motion Example: Horizontal Launch
  3. Projectile Motion Example: Diagonal Launch

Energy Conservation

  1. Conservation of Energy Example: No Work or Loss

Rotational Motion

Simple Harmonic Motion

  1. Forces and Energy in Simple Harmonic Motion (AP Physics 1)
  2. Period and Frequency in Spring-Block Oscillators (AP Physics 1)

AP Chemistry Videos

Unit 1 | Atomic Structure and Properties

  1. Periodic Trends and Coulomb’s Law

Lesson: Bohr Model Cards and Periodic Trends Model Exploration Activity
Lesson: Mass Spectrometry Card Hunt

Unit 2 | Molecular and Ionic Compound Structure & Properties

Unit 3 | Intermolecular Forces and Properties

  1. Ideal and Combined Gas Laws

Lesson: Model Exploration for Maxwell-Boltzmann Distributions

Unit 4 | Chemical Reactions

Resource: My AP Chemistry Summer Assignment

  1. Solutions: Molarity, Stoichiometry, and Dilutions
  2. Representations of Reactions – Particulate Diagrams and Net Ionic Equations
  3. Stoichiometry Map (including moles of reaction and heat of reaction)
  4. Stoichiometry Example Problems (including ideal gas, moles of rxn, & heat of rxn)
  5. Limiting Reactant and Percent Yield – Example Problem

Unit 5 | Kinetics

  1. Kinetics Rate Law and Rate Orders
  2. Integrated Rate Law and Half-Live Derivations
  3. Effect of Temperature and Catalysts on Rate and Maxwell-Boltzmann Distributions
  4. Determining Rate Law from Fast Initial Step

Unit 6 | Thermodynamics

  1. Thermal Energy Transfer
  2. Bond Energies to Enthalpy Change
  3. Heats of Formation to Enthalpy Change

Unit 7 | Equilibrium

  1. How to Write Equilibrium Constant (K) Expressions
  2. How Modifying a Reaction Affects Equilibrium Constant, K
  3. The Reaction Quotient (Q): Predicting the Direction of Change
  4. ICE Tables – Solving for Equilibrium Constant and Equilibrium Concentrations
  5. Le Chatelier’s Principle, Pt. 1: Concentration
  6. Le Chatelier’s Principle, Pt. 2: Pressure
  7. Le Chatelier’s Principle, Pt. 3: Temperature

Equilibrium Solubility

  1. Solubility Product
  2. Example: Calculating Molar Solubility from Equilibrium Constant
  3. Example: Determining Whether a Precipitate Will Form
  4. Example: Determining Which Solid Will Precipitate First

Unit 8 | Acids and Bases

  1. Intro to Acids & Bases | Amphoteric, Conjugates, Dissociation vs. Neutralization
  2. Strong Acid / Strong Base Titration
  3. pH Calculations for a STRONG Acid / Strong Base Titration
  4. pH Calculations for a WEAK Acid / Strong Base Titration
  5. Lab – Titration (Strong Acid with a Strong Base) w/Vernier drop counter & pH probe

Lesson: SASB pH Calculations – The Case of the Missing Lab Data
Lesson: WASB Titration Curve on Giant Graph Paper

Unit 9 | Applications of Thermodynamics

These first-year chemistry videos align with the excellent program Positive Chemistry. I’ve used Positive Physics with my classes, and another teacher here in Memphis has expanded the program to chemistry.


  1. Avogadro’s Number
  2. Molar Mass
  3. Moles to Grams
  4. Moles to Liters (at STP)
  5. Multi-Step Mole Conversions

Medical Case Studies Elective

Back in the day, I taught a semester elective class called “Medical Physiology.” The class utilized case studies from the NCCSTS. You can find more about that class here.

Support Siebert Science!

If you’re a teacher and you’ve found the resources on my website helpful and want to buy me a coffee or something, you can click the button below or give through Venmo (username: JustinSiebert).

If you’re a student, I don’t want your money. But I love comments, so feel free to leave me a comment on this site or on a YouTube video!

Thank you so much!

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