Page 149 - DK Children's Encyclopedia

Light SEE ALSO

▸ ▸ Color pp.26–27
▸ ▸ Energy pp.88–89
Light is a type of energy that bounces off objects and into ▸ ▸ Invertebrates
our eyes—we need it to see things. Light can change into p.139
other types of energy such as heat or electricity. Dark is ▸ ▸ Materials p.157

the absence of light. ▸ ▸ Sight p.226
▸ ▸ Sun p.247

White light Light sources
White light is actually made from all
the colors of the rainbow. We can The light bends The main source of light
as it hits the
split white light into colors by prism. This is on Earth is the sun.
shining it through a prism. called refracting. Artificial light sources
include light bulbs,
candles, and oil lamps.
Some animals, such as
White light is split
Light travels in into seven colors. jellyfish and fireflies,
straight lines. produce their own light.

The sun is a natural
light source.

A candle is an artificial
light source.

Shadows Reflection
A shadow is a dark area where light More light bounces off shiny
is blocked by an object. It takes the surfaces like mirrors or still water.
shape of the object blocking the light. This is called a reflection. Some jellyfish can
glow in the dark.
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