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Lens
,Created page with "==Key Stage 3== ===Meaning=== A lens is a shaped piece of glass, or other transparent material, that can be used to focus an image of an object. =..."
==Key Stage 3==
===Meaning===
A [[lens]] is a shaped piece of [[glass]], or other [[transparent]] [[material]], that can be used to [[focus]] an [[image]] of an [[object]].
===About Lenses===
: A [[lens]] can be [[Convex Lens|convex]] or [[Concave Lens|concave]].
: There is a [[lens]] in the [[eye]] that is used to [[focus]] an [[image]] onto the [[retina]].
: Glass [[lens]]es can be moved relative to a screen until an [[image]] is [[focus]]ed but the [[lens]] in the [[eye]] can change shape to [[focus]] light.
===Meaning===
A [[lens]] is a shaped piece of [[glass]], or other [[transparent]] [[material]], that can be used to [[focus]] an [[image]] of an [[object]].
===About Lenses===
: A [[lens]] can be [[Convex Lens|convex]] or [[Concave Lens|concave]].
: There is a [[lens]] in the [[eye]] that is used to [[focus]] an [[image]] onto the [[retina]].
: Glass [[lens]]es can be moved relative to a screen until an [[image]] is [[focus]]ed but the [[lens]] in the [[eye]] can change shape to [[focus]] light.