the Global Access Broadcasting
the Mindset Network
This 14-minute video is the third in a series on how light interacts with lenses to form images. Video 3 demonstrates how to draw a ray diagram when an object is placed at any position in front of a convex lens. In addition to narrated demonstrations, the resource shows animated ray diagrams alongside video insets depicting the actual phenomenon. The professional scripting, production, and editing serve to provide a much deeper learner experience than traditional lecture demonstrations. This video is one of a four-part series on light and images, developed to promote deep understanding of light and matter interactions. See Related Materials for links to the companion videos.
Please note that this resource requires
Editor's Note:This resource would be a good choice for a flipped lesson. How does a magnifying glass work? Does it produce a real or virtual image? How do we connect this with the object's position on the principal axis? How do we calculate magnification of a lens? The video does a remarkably nice job of incorporating animation, video, and narration to answer these questions.
convergence, convergence, convex lens, focal point, image formation, lens, ray diagram, real image, virtual image, vision
Metadata instance created
April 14, 2014
by Caroline Hall
April 15, 2014
by Caroline Hall
Last Update when Cataloged:
September 28, 2010
AAAS Benchmark Alignments (2008 Version)
4. The Physical Setting
3-5: 4F/E3. Light travels and tends to maintain its direction of motion until it interacts with an object or material. Light can be absorbed, redirected, bounced back, or allowed to pass through.
6-8: 4F/M5. Human eyes respond to only a narrow range of wavelengths of electromagnetic waves-visible light. Differences of wavelength within that range are perceived as differences of color.
6-8: 4F/M8. There are a great variety of electromagnetic waves: radio waves, microwaves, infrared waves, visible light, ultraviolet rays, X-rays, and gamma rays. These wavelengths vary from radio waves, the longest, to gamma rays, the shortest.
Next Generation Science Standards
Disciplinary Core Ideas (K-12)
Electromagnetic Radiation (PS4.B)
When light shines on an object, it is reflected, absorbed, or transmitted through the object, depending on the object's material and the frequency (color) of the light. (6-8)
The path that light travels can be traced as straight lines, except at surfaces between different transparent materials (e.g., air and water, air and glass) where the light path bends. (6-8)
Information Technologies and Instrumentation (PS4.C)
Multiple technologies based on the understanding of waves and their interactions with matter are part of everyday experiences in the modern world (e.g., medical imaging, communications, scanners) and in scientific research. They are essential tools for producing, transmitting, and capturing signals and for storing and interpreting the information contained in them. (9-12)
Crosscutting Concepts (K-12)
Cause and Effect (K-12)
Cause and effect relationships may be used to predict phenomena in natural or designed systems. (6-8)
Systems and System Models (K-12)
Models can be used to represent systems and their interactions—such as inputs, processes and outputs— and energy, matter, and information flows within systems. (6-8)
Common Core State Standards for Mathematics Alignments
High School — Algebra (9-12)
Reasoning with Equations and Inequalities (9-12)
A-REI.3 Solve linear equations and inequalities in one variable, including equations with coefficients represented by letters.
High School — Geometry (9-12)
Modeling with Geometry (9-12)
G-MG.3 Apply geometric methods to solve design problems (e.g., designing an object or structure to satisfy physical constraints or minimize cost; working with typographic grid systems based on ratios).?
%0 Electronic Source %D September 28, 2010 %T Light and Lenses: Images and Convex Lenses %I Global Access Broadcasting %V 2016 %N 3 December 2016 %8 September 28, 2010 %9 application/flash %U https://www.youtube.com/watch?v=nLC86OwDXD0
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