Physics looks at how things work. Many people feel intimidated when they think of physics....don't be! Physics helps us understand the world around us. It includes thinking, problem solving and asking questions. We look at how things move, how we see and hear, and how electricity works. .
Converging Lens Drawings - This video walks you through the steps in drawing ray diagrams for a converging lens.
Converging Lens Drawings - virtual image - This video walks through the steps in drawing ray diagrams for a converging lens, when the object is placed between the focal length and the lens. You will get a virtual image.
Lens Calculations - This video walks through the calculations for lens equations.
Heat - This video explains basic heat concepts and includes three examples of various types of problem solving situations.