Standard Science Primary 4 Energy

Shadows are formed because light __________.

A is reflected by smooth surfaces
B travels in straight lines and is blocked by an object
C can pass through all types of materials
D bends around the corners of opaque objects
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Worked Solution

Step 1: Light travels in straight lines. Step [2-9]: When an opaque or translucent object blocks the path of light, a region without light is created behind it. Step [2-9]: This region is a shadow.

Correct answer: travels in straight lines and is blocked by an object

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