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Vectorial greats: What about?
In this lesson, I explain how vectors can exist in the real world in the form of vector quantities. I give examples such as displacement, speed, force and acceleration, each with an illustration. Finally, I explain the difference between a …
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Downloadable resource (6)Teacher, Other -
A vector: how about it?
In this lesson we generally explain what vectors are. We discuss the properties size, direction and sense of a vector and provide a clear illustration for each of these properties. You can use all illustrations for free in your own lessons. You can …
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Variables and units: Overview schedule
An overview schedule with name and symbols of quantities and units.
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Imaging: What About?
This lesson explains imaging on the basis of various illustrations. The human eye and photo camera are used as examples, but not yet discussed technically. After the types of light beams are explained, the camera obscura is discussed with the …
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Downloadable resource (5)Teacher, Other -
Absorbing, reflecting and transmitting light: What about?
This lesson explains the absorption, reflection and transmission of light rays in an illustrative way. In addition to the directional reflection from mirrors and the absorption of black objects, it is explained how a combination of diffuse …
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Downloadable resource (3)Teacher, Other -
Moon phases and solar eclipse: What about?
This lesson explains in a very illustrative way how the moon phases and a solar eclipse occur. The last section of the lesson contains some compelling illustrations showing the actual scale of the Earth, Moon and Sun. You can use all illustrations …
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Downloadable resource (5)Teacher, Other -
Shading: What about?
Using many illustrations, this lesson explains why opaque objects have a shadow, what the shape is of that shadow and how you can draw the shadow yourself. The lesson provides a slightly more in-depth explanation of the origin of the shadow than …
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Light sources: What about?
This lesson explains what a light source is, what a dark body is and the difference between a point and diffuse light source. As an extension, the lesson also includes a section on how photographers use diffuse light sources to get better photos. …
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Downloadable resource (4)Teacher, Other -
Propagation of light rays: What about?
This lesson illustratively explains how light rays propagate in homogeneous and non-homogeneous media. You can use all illustrations for free in your own lessons. You can also download the lesson as a PDF file by clicking the PDF icon at the top …
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Rays of Light: How about it?
This lesson explains in an illustrative way what rays of light are in general and how they enable people to see. The lesson gives an idea of what electromagnetic waves are and explains that light is an example of this. You can use all illustrations …
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Fill in and convert formulas: What about?
This lesson explains how we can transform formulas in physics. Transformation is explained using the mass density formula. You can download the lesson as a PDF file by clicking the PDF icon at the top right.
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Approach rules: What about?
This lesson explains with illustrations what the approximation rules are and why it makes sense to use them in calculations with measurements. It is shown how to round when applying the approximation rules and which approximation rules there are …
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