Exercise Solutions | Class 6 Science | Chapter 11

Light shadows and reflections exercise questions and answers.

Answers to these questions are discussed in this video.
1. Rearrange the boxes given below to make a sentence that helps us understand
opaque objects.

Opaque objects make shadows

2. Classify the objects or materials given below as opaque, transparent or
translucent and luminous or non-luminous:
Air, water, a piece of rock, a sheet of aluminums, a mirror, a wooden board, a
sheet of polythene, a CD, smoke, a sheet of plane glass, fog, a piece of red hot
iron, an umbrella, a lighted fluorescent tube, a wall, a sheet of carbon paper,
the flame of a gas burner, a sheet of cardboard, a lighted torch, a sheet of
cellophane, a wire mesh, kerosene stove, sun, firefly, moon.

3. Can you think of creating a shape that would give a circular shadow if held in
one way and a rectangular shadow if held in another way?

4. In a completely dark room, if you hold up a mirror in front of you, will you see a
reflection of yourself in the mirror?

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