Understanding Light: How We See and Interact with Objects
Explore the fascinating world of light and vision, from how light travels in straight lines to how we perceive objects. Learn about luminous and nonluminous objects, the different categories of light sources, and the vocabulary associated with light interactions. Delve into the concepts of emitting, transmitting, absorbing, and reflecting light. Unravel the mysteries of how we see things and what light travels through in this enlightening journey of discovery.
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Presentation Transcript
Objectives Describe how light travels Explain how we see things Describe how light interacts with objects
What is light? Light is a way of transferring energy Light sources give out light and we call them luminous luminousobjects objects Objects that do not give out light we call nonluminous nonluminousobjects objects Luminous Objects are categorized into two different categories: Natural Light Sources and Unnatural Light Sources.
Light Vocabulary When an object gives gives out out light we say the object is emitting emitting light. When an object allows allows light light to to pass pass through we say the object is transmitting transmittinglight. When an object does does not not allow allow light light to to pass pass through we say the object is absorbing absorbinglight. When light gets gets bounced bounced off off an object we say the light is being reflected reflected.
How does light travel? Light travels in straight straight lines lines.
