Curated Video
Angle of reflection
When a ray or beam is reflected from a surface, the angle of reflection is the angle made between the reflected ray and a line perpendicular to the surface at the point of reflection. A Twig Science Glossary Film. Key scientific terms...
Crash Course
Alchemy: History of Science
In fantasy stories, charlatans in fancy robes promise to turn lead into gold. But real alchemists weren’t just mystical misers. They were skilled experimentalists, backed by theories of matter. And they played a huge role in the...
Visual Learning Systems
Using Light: Reflection and Mirrors
This video examines the various uses of light and the role of different types of lenses in light refraction. The way in which eyeglasses, contact lenses, and binoculars manipulate light to allow us to see better is illustrated. Other...
Curated Video
Mirrors: the Science of Reflection
This video provides a simple and concise explanation of how mirrors work. It covers the history of mirrors, from primitive stones to modern glass coated with a thin layer of metal. The video explains the concept of reflection and how...
Brian McLogan
Evaluating trigonometric functions using the reference angle
👉 Learn how to evaluate trigonometric functions of a given angle. Given an angle greater than 2pi in radians, to evaluate the trigonometric functions of the given angle, we first determine the smallest positive coterminal angle of the...
Brian McLogan
Quickly fill in the unit circle by understanding reference angles and quadrants
👉 Learn about the unit circle. A unit circle is a circle which radius is 1 and is centered at the origin in the cartesian coordinate system. To construct the unit circle we take note of the points where the unit circle intersects the x-...
FuseSchool
Ray diagrams
Why can you see your reflection in some objects? In this video we will look at ray diagrams for reflection, refraction and colour absorption. Visible light is part of the electromagnetic spectrum. Light is a transverse wave, and travels...
Curated Video
The Beauty and Culture of Florence
Florence is the capital city of the Italian region of Tuscany and was the center of European trade and finance during the medieval period. Known as the birthplace of the Renaissance, as the birthplace of the Renaissance, it attracts...
The Backyard Scientist
Fire-Saber and Other Awesome Experiments!
3 mini experiments rolled into 1 nice video! Its been raining all week, so I got to stay in and play with my new camera! I made a Fire-saber, and I recorded cool footage like watching a fire race across the floor, and hitting a water...
Curated Video
I WONDER - What Is The Hottest Continent In The World?
This video is answering the question of what is the hottest continent in The World.
Ancient Lights Media
Transcribing DNA into m-RNA
Genetic Expression Set: 4. This clip takes a detailed look at the complicated process of genetic transcription.
Curated Video
Angle of incidence
When a ray or beam is reflected from a surface, the angle of incidence is the angle between the incident, or approaching, ray and a line perpendicular to the surface at this point. A Twig Science Glossary Film. Key scientific terms...
Brian McLogan
Evaluate using reference angles
👉 Learn how to evaluate trigonometric functions of a given angle. Given an angle greater than 2pi in radians, to evaluate the trigonometric functions of the given angle, we first determine the smallest positive coterminal angle of the...
Curated Video
Reflecting a Parallelogram: Understanding Changes and Similarities
In this video, students learn about reflecting a parallelogram and how it affects the shape. The teacher explains the concept using vocabulary terms such as congruent line segments, congruent angles, and parallel lines.
Brian McLogan
Find the point on the unit circle given an angle
👉 Learn how to find the point on the unit circle given the angle of the point. A unit circle is a circle whose radius is 1. Given an angle in radians, to find the coordinate of points on the unit circle made by the given angle with the...
Brian McLogan
Different representations of polar points with negative radius and angle
Different representations of polar points with negative radius and angle
Curated Video
Reflection and Refraction of Light: Law Of Reflection
By the end of this learning object, the student will be able to: Identify the concept and laws of light reflection.13536
Brian McLogan
Learn how to evaluate for the secant of a negative angle using the unit circle
👉 Learn how to evaluate trigonometric functions of a given angle. Given an angle greater than 2pi in radians, to evaluate the trigonometric functions of the given angle, we first determine the smallest positive coterminal angle of the...
Let's Tute
Introduction to Reflection and Reflecting Surfaces
This is a video about the behavior of light and the concept of reflection. It covers the laws of reflection, types of mirrors, and the difference between specular and diffuse reflection.
Brian McLogan
How to evaluate sum of two angles using the sum formula for sine
👉 Learn how to evaluate the sine of an angle in radians using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
FuseSchool
Reflection
CREDITS Animation & Design: Incarnate ICT (care@incarnateict.com) Narration: Dale Bennett (info@fuseschool.org) Script: Phoebe Barker, Matilda Denbow, Lexie Hoyer (Sevenoaks School) There are 4 types of transformation that we learn about...
Brian McLogan
4d Example 2 (Evaluating trig functions with the same reference angle)
4d Example 2 (Evaluating trig functions with the same reference angle)
Curated Video
Determining Similarity of Acute Triangles by Examining Corresponding Parts
In this video, students learn how to determine if two acute triangles are similar by examining their corresponding parts. They review the concept of similarity transformations and how they preserve shape but may change size.
Brian McLogan
How to Find the Angle Given a Trigonometric Equation
👉 Learn how to evaluate the inverse of reciprocal trigonometric functions. Recall that the reciprocal trigonometric functions are given by the ratio of 1 and the corresponding trigonometric function. When an angle is unknown but the...