⚡ Shadows

小学四年级 · P4⚡ Energy

What is a shadow, and why does it form? Explore how light travels in straight lines and what changes a shadow's size and shape.

你将学到

Light travels in a straight line
A shadow forms when an object blocks light completely or partly
The shadow appears on the opposite side of the object from the light source
A shadow's size and shape change with the object's shape, size and position, and the distances between light, object and screen

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