electricity and magnetism
Lecture 29: Light Waves
< < Lecture 28 Lecture 30 > > PhET Wave Interference Simulation Play around with different types of waves to learn about interference and diffraction.
electricity and magnetism
Lecture 28: Reflection & Refraction
< < Lecture 27 Lecture 29 > > PhET Bending Light Simulation See how light refracts when it passes through different types of materials (glass, water, etc). PhET Geometric Optics Simulation See how different lenses (and their properties) create images of objects.
electricity and magnetism
Lecture 27: Color
< < Lecture 26 Lecture 28 > > Resources Color wheel – Learn about color theory and what colors look good together and why. PhET Color Vision Simulation See how combinations of varying intensities of red light, green light, and blue light combine to make any color.
electricity and magnetism
Lecture 26: Light
< < Lecture 25 Lecture 27 > > Resources Visualizing video at the speed of light – MIT researchers created a video where you can see photons traveling through a medium. Finding the speed of light with peeps – Use your favorite marshmallow candy and a microwave to calculate the Read more…
electricity and magnetism
Lecture 25: Electromagnetic Induction
< < Lecture 24 Lecture 26 > > PhET Faraday’s Law Simulation Faraday’s law explains the relationship between coil size, number of windings, rate of change of the magnetic field, and the induced voltage. See how bright you can get the lightbulb to light up by changing different parameters. Video Read more…
electricity and magnetism
Lecture 24: Magnetism
< < Lecture 23 Lecture 25 > > Resources Magnetic Storm – This PBS video is all about the Earth’s magnetic field. Did you know the Earth’s magnetic field protects us from solar radiation, and that it has changed in direction and magnitude throughout the planet’s history? Ancient trees show Read more…
electricity and magnetism
Lecture 23: Electric Circuits
< < Lecture 22 Lecture 24 > > Resources Resistor color codes graphic (PNG) – Learn how to decode the color codes on a 4-band resistor using this chart. Voltage, current, resistance, and Ohm’s law – This tutorial page from SparkFun contains a lot of information about Ohm’s law and Read more…
electricity and magnetism
Lecture 22: Electrostatics
< < Lecture 21 Lecture 23 > > PhET Balloons and Static Electricity Simulation Rub a balloon on a sweater, then stick it on a wall and see how induction in insulators (also known as polarization) works. PhET Coulomb’s Law Simulation Modify the value of two charges and their distance Read more…