Electricity, Magnetism, and Nuclear Science
Electricity powers your home, magnets hold notes to your fridge, and nuclear reactions light the Sun. These three topics are deeply connected, and together they close out the study of physical science. Understanding the basics of electricity, magnetism, and nuclear science answers a broad set of test questions. This lesson covers electric circuits, magnetism, and […]
Waves and Sound
From music to speech to the ripples on a pond, waves are everywhere, and sound is one of the most familiar. Waves carry energy without carrying matter, and a few simple properties describe them all. Understanding waves and sound is a core physics topic with a handy formula at its center. This lesson covers wave […]
