2. WHAT IS LIGHT?
It's a form of energy that...
Travels very fast.
Travels in a straight line.
Travels in all directions.
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2 TYPES OF SOURCES:
Natural light
Artificial light
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3.
4. ANIMALS THAT PRODUCE THEIR
OWN LIGHT!
SARGASSUM SHRIMP
FIREFLY
SHORTNOSE GREENEYE FISH
FOXFIRE MUSHROOM