Kategorier: Alle - sources - size - light - materials

af LAURA LEE JING ROU N/A 9 år siden

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Light, a form of energy, plays a crucial role in our ability to see. It can originate from natural sources like the Sun and stars, as well as artificial sources such as lamps and torches.

lljr's map

Everything you know about light and shadows.

Shadows

the size of the shadow changes if the distance between the object and light sources changes.
or

the size of the shadow will change if the distance between the object and the screen change.(if moving the object, you must move the light source too. )

The shadow will follow the shape of the object.

Light sources

examples of artificial light sources
-torches| -lamps | ectra
examples of natural light sources
-The Sun -Stars -Fireflies -Angelfish -Fire

Light

is completely blocked by materials
materials such as a ceramics

which allow no light to pass through them

is partially blocked by
materials such as frosted glass

which allow some light to pass through them

can pass through
materials such as glass

which allow most light light to pass through

Allows us to see when
An object reflects light into our eyes.
An object gives of its own light.
Is a form of
Energy