Physics Classroom
The Physics Classroom: Requirements of a Circuit
What four arrangements would result in the successful lighting of a lightbulb? And more importantly, what does each of the four arrangements have in common that would lead to an understanding of the two requirements of an electric...
Physics Classroom
The Physics Classroom: Common Misconceptions Regarding Electric Circuits
In this tutorial, preconceived ideas regarding the nature of charge flow and the role of a battery in a circuit are addressed. In many instances, these preconceived notions about charge flow and batteries are incorrect ideas and are...
Physics Classroom
The Physics Classroom: Journey of a Typical Electron
In the wires of electric circuits, an electron is the actual charge carrier. In this article, an electron's path through the external circuit is introduced.
Physics Classroom
The Physics Classroom: Resistance
An electron traveling through the wires and loads of the external circuit encounters resistance. In this tutorial, the concept of resistance is introduced. For an electron, the journey from terminal to terminal is not a direct route....
Physics Classroom
The Physics Classroom: Current Electricity: Electrical Resistance: Ohm's Law
There are certain formulas in physics that are so powerful and so pervasive that they reach the state of popular knowledge. The predominant equation which pervades the study of electric circuits is often referred to as the Ohm's law...
Physics Classroom
The Physics Classroom: Light Waves/color: Visible Light and the Eye's Response
Students learn how the eye responds to visible light, and how that function ultimately allows us to see.
Physics Classroom
The Physics Classroom: Reflection and Ray Model of Light: Role of Light to Sight
In this physics tutorial, students explore the phenomenon of the fact that without light, there would be no sight.
Physics Classroom
The Physics Classroom: Reflection/ray Model of Light: Anatomy of a Curved Mirror
A physics tutorial focused on the behavior of light as it relates to concave mirrors.
Physics Classroom
The Physics Classroom: Reflection and Ray Model of Light: Ray Diagrams Concave
In this physics tutorial, students investigate the method for drawing ray diagrams for objects placed at various locations in front of a concave mirror.
Physics Classroom
The Physics Classroom: Reflection and Ray Model of Light: Spherical Aberration
An illustrated physics tutorial which explains the spherical aberration, an intrinsic defect with any mirror that takes on the shape of a sphere.
Physics Classroom
The Physics Classroom: Reflection/ray Model of Light: Reflection/image Convex
In this physics tutorial, we will follow a pattern of inquiry for convex mirrors: investigating how convex mirrors reflect light and produce images.
Physics Classroom
The Physics Classroom: Reflection/ray Model of Light: Ray Diagrams Convex
Students learn two rules of reflection as it has to do with convex mirrors. These two rules will greatly simplify the task of determining the image locations for objects placed in front of convex mirrors.
Physics Classroom
The Physics Classroom: Reflection/ray Model of Light: Convex Mirror Images
Students explore three different ray diagrams for objects positioned at different locations along the principal axis in a convex mirror.
Physics Classroom
The Physics Classroom: Reflection/ray Model of Light: The Mirror Equation Convex
While a ray diagram may help one determine the approximate location and size of the image, it will not provide numerical information about image distance and image size. To obtain this, students are introduced to the Mirror Equation and...
Physics Classroom
The Physics Classroom: Refraction/ray Model of Light: Image Formation/detection
Students discover the four parts of the eye are the most instrumental in the task of producing images that are discernible by the brain.
Physics Classroom
The Physics Classroom: Refraction/ray Model of Light: Farsightedness/correction
A brief introduction to the physics side of farsightedness, and how lenses correct this vision defect.
Physics Classroom
The Physics Classroom: Refraction/ray Model of Light: Nearsightedness/correction
A brief introduction to the physics side of nearsightedness, and how lenses correct this vision defect.
Physics Classroom
The Physics Classroom: 1 D Kinematics: Constant Rightward Velocity
Through an animated illustration of a dot diagram and time graphs, students learn about constant positive velocity.
Physics Classroom
The Physics Classroom: 1 D Kinematics: Constant Leftward Velocity
Through an animated illustration of a dot diagram and time graphs, students learn about constant negative velocity.
Physics Classroom
The Physics Classroom: 1 D: Passing Lane Position vs. Time Graph
This animation depicts two cars, one passing the other, and the animated position-time graph that represents them is shown.
Physics Classroom
The Physics Classroom: 1 D Kinematics: Passing Lane: Velocity vs. Time Graph
An animated velocity-time graph demonstrates the motion of two cars where one is passing the other.
Physics Classroom
The Physics Classroom: 1 D Kinematics: The Stoplight
Observe the motion of two cars taking off at a stoplight, and make meaning of the accompanying graphs to answer some motion questions.
Physics Classroom
The Physics Classroom: 1 D Kinematics: Motion of a Two Stage Rocket
Observe the motion of the two-stage rocket and the corresponding, animated velocity-time graph in these illustrations.
Physics Classroom
The Physics Classroom: Vectors and Projectiles: Vector Direction
Through a short informational reading piece and an animated visual, students learn that vectors represent both magnitude and direction.