Shadow Formation and Characteristics
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Questions and Answers

What are the three things required for shadow formation?

  • A translucent object, a mirror, candlelight
  • A source of light, an opaque object, a surface (correct)
  • A transparent object, a surface, a source of light
  • A reflective object, shadows themselves, darkness
  • Why do shadows appear black in color?

  • They reflect the color of the light source
  • They refract the light passing through them
  • They emit light themselves
  • They absorb all light that falls on them (correct)
  • What factors affect the size and clarity of a shadow?

  • The time of day and the type of light source
  • The color of the object and the surface it's on
  • The number of objects nearby and the material of the light source
  • The shape of the object and the distance between object and surface (correct)
  • When are shadows shortest during the day?

    <p>At noon when the sun is directly overhead</p> Signup and view all the answers

    How do the length and position of shadows change throughout the day?

    <p>They are longest in the morning and late afternoon, shortest at noon</p> Signup and view all the answers

    Study Notes

    • Shadows are formed when an opaque object blocks light, creating a dark patch on the opposite side of the light source.
    • The three things required for shadow formation are a source of light, an opaque object, and a surface where the shadow will form.
    • Shadows are always black in color and do not display the actual color or details of the object, only showing the outline.
    • The size and clarity of a shadow depend on the size of the object, source of light, distance between the object and the light source, and distance between the object and the surface.
    • The length and position of shadows change throughout the day as the sun moves across the sky, with shadows being longest in the morning and late afternoon, and shortest at noon when the sun is directly overhead.

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    Description

    Learn about shadows, how they are formed, their characteristics, and how they change throughout the day. Shadows are created when an opaque object blocks light, resulting in a dark area opposite to the light source.

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