Spahn's Science Lectures Courses

Earth Science - A Tour of the Solar System

2 ratings

A comparative tour of the solar system examines how planetary size, composition, interiors, atmospheres, geology, and magnetic fields distinguish terrestrial and Jovian worlds.

• YouTube
• 40 minutes
• Self-Paced
• Free Video

Earth Science - Volcanoes

1 rating

Learn how magma composition, viscosity, and gas content control volcanic eruptions, lava flows, pyroclasts, volcano types, and atmospheric effects.

• YouTube
• 40 minutes
• Self-Paced
• Free Video

General Astronomy - An Introduction to Planetary Geology

1 rating

Compares the geological histories of terrestrial worlds through their size, distance from the Sun, and rotation.

• YouTube
• 42 minutes
• Self-Paced
• Free Video

College Physics 2: Circuits and Kirchhoff's Laws - Lecture 14

1 rating

Explore circuit elements, diagrams, and Kirchhoff's junction and loop laws in this physics lecture on electrical circuits.

• YouTube
• 47 minutes
• Self-Paced
• Free Video

College Physics 2 - Lecture 13 - Resistors, Energy, and Power

Explore how resistors create voltage drops and convert electrical energy into heat, using Ohm’s law to calculate current, resistance, and power in simple circuits.

• YouTube
• 23 minutes
• Self-Paced
• Free Video

College Physics 2 - EMF, Resistance, and Ohm's Law

Uses battery and waterfall analogies to explain EMF, resistance, resistivity, and Ohm’s law in DC circuits.

• YouTube
• 22 minutes
• Self-Paced
• Free Video

College Physics 1 - Forms of Energy

College physics lecture derives equations for kinetic, gravitational potential, elastic potential, and thermal energy through worked examples.

• YouTube
• 40 minutes
• Self-Paced
• Free Video

College Physics 1 - Work and Energy

An introductory physics lecture builds the work–energy equation from kinetic and potential energy, energy transfer, and force-displacement examples.

• YouTube
• 36 minutes
• Self-Paced
• Free Video

College Physics 1 - Conservation of Momentum

Learn how Newton’s third law and the impulse–momentum theorem lead to conservation of momentum through collision examples and questions.

• YouTube
• 44 minutes
• Self-Paced
• Free Video

College Physics 1 - Impulse and Momentum

Learn how impulse and momentum describe brief collision forces, using the impulse–momentum theorem to solve algebra-based physics problems.

• YouTube
• 32 minutes
• Self-Paced
• Free Video

College Physics 1 - Moment of Inertia and Rotational Dynamics

Builds the rotational equivalent of Newton’s second law and applies torque and moment of inertia to rotational dynamics problems.

• YouTube
• 45 minutes
• Self-Paced
• Free Video

College Physics 1 - Torque and Center of Gravity

Explains torque through door-opening examples, then uses center of gravity to simplify gravitational torque and analyze rotational balance.

• YouTube
• 36 minutes
• Self-Paced
• Free Video

College Physics 1 - Rotational Motion

Introduces angular position, angular velocity, and angular acceleration, using radians, formulas, and worked examples to analyze rotating objects.

• YouTube
• 40 minutes
• Self-Paced
• Free Video

College Physics 2 - Calculating Electric Potential

Calculate electric potential in parallel-plate capacitors and around point charges using equipotential surfaces and electric potential energy.

• YouTube
• 46 minutes
• Self-Paced
• Free Video

College Physics 2 - Electric Potential and Conservation of Energy

Use electric potential and conservation of energy to analyze how charged particles move and change speed in electric fields.

• YouTube
• 35 minutes
• Self-Paced
• Free Video