CBSE · Class 7 · Science · Chapter 11

Light: Shadows and Reflections

Investigate the travelling of light, formation of shadows and reflections produced by mirrors and other surfaces.

6 lessons 40 min
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Lessons in this chapter

  1. 1Sources of Light and Its Straight PathFind out which objects make light and follow its path through simple investigations.
  2. 2Materials, Light, and ShadowsTest how materials transmit light, then explain the shape and size of shadows.
  3. 3Reflection and Plane Mirror ImagesFollow light as a mirror redirects it, then investigate the image seen in a plane mirror.
  4. 4Images in a Pinhole CameraMake an image on a screen and see why it appears upside down.
  5. 5Periscopes and KaleidoscopesArrange mirrors to see around obstacles and make changing patterns.
  6. 6Chapter Summary and PracticeConnect sources, shadows, mirrors, and pinhole images through mixed visual reasoning.
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