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8.2 World Communicates

peter hillにより

Affordable and Clean Energy

Carolina Antonchukにより

Nuclear Energy

Alice Henningsenにより

Kinetic and Potential Energy

Jim Rowleyにより

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