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==Key Stage 2==
===Meaning===
An '''opaque''' object is one that light cannot pass through. If an object is not opaque it is called [[transparent]].
: [[Adjective]]: '''Opaque'''
===About Opaque Objects===
: An '''opaque''' object doesn't let any light through. You cannot see through an '''opaque''' object.
: Some objects are more '''opaque''' than others. If they let only some light through they are called [[translucent]]. If they let all the light through then they are called [[transparent]].
: The following materials are '''opaque''':