Light

Plus de détails

8.2 World Communicates

par peter hill

Impact of Communication Technology on the Environment

par Rebecca Regino

ENERGY AND ITS TRANSFORMATION

par Iratxe Orokieta

Sustainable City

par Elysia Vetricek

transparent objects

translucent objects

opaque objects

Light

light is blocked by

light passes through

the main source of light is the sun

Light travels in a straight path

Shadows

are formed when light is blocked

Sources of light

examples

man-made

torch

bulb

natural

glow worm

firefly

give off light

Is a form of energy