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Ultraviolet Waves

Published on Nov 23, 2015

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PRESENTATION OUTLINE

ULTRAVIOLET WAVES

By: Lindsey W. and Jessica F.

THE WAVELENGTH OF ULTRAVIOLET WAVES

IS 4,000 TO 7,000 ANGSTROMS. 1 ANGSTROM =.00000001CM

WEIRD FACTS ABOUT UV RAYS

UVa RAYS PENETRATE DEEP INTO THE SKIN.

THEY ARE RESPONSIBLE FOR SIGNS OF AGING.

UVB RAYS ARE THE MAIN CAUSE OF SKIN CANCER.

THEY ARE STRONGER WHEN IT'S CLOUDY DUE TO REFLECTIONS.

UVB RAYS ARE MORE HARMFUL

THAN UVA RAYS.

SOURCES

QUESTION?

ARE UVB RAYS STRONGER WITH OR WITHOUT CLOUDS?