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Evan's light system - Coggle Diagram
Evan's light system
Shadows
Noon
Sun is at highest point
Shortest shadow
Sunset
West
Sun is at longest point
Longest shadow
Sunrise
East
Sun is at lowest point
Longest shadow
Formed when light is blocked by an object
Light travels in a straight line
Shapes
Changes when light is shining at different parts
Size
Becomes larger when the object moves nearer to the light sorce
Becomes smaller if the screen is moved closer to the object
Transparency
Translucent
Allows some light to pass through
Frosted glass
Thin cloth
Opque
Does not allow light to pass through
Wood
Brick
Transparent
Allows most light to pass through
Clear glass
Clear water
How do we see objects
Sources of light
Objects that give off light
Sun
Hot lava
Firefly
Light bounces off the surface of an object and travels into the eyes
Materials
That are smooth
Are reflective
Does not produce light
What is light?
Travels in a straight line
Causing when shadows are blocked
Not matter
No mass
Does no occupy space
A form of energy
Required by plants to photosynthesise
Converts the sun's light energy into glucose
Eaten by animals