Polar Bears Past Bedtime

Chapter 7

The 2001 Photo Contest Winner from the
Northern Lights Photo Contest http://www.northern-lights.no/

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Vocabulary Word of the Day - atoms and molecules

atoms - atom /'a-t&m/

the smallest particle of an element that can exist either alone or in combination.

molecules - molecule /'mä-li-"kyü(&)l/

the smallest particle of a substance that retains all the properties of the substance and is composed of one or more atoms

Page 50 - The swirl of light is caused by electrically charged particles from the sun striking atoms and molecules in the earth's atmosphere.

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Northern Lights Photo Contest http://www.northern-lights.no/

	Northern Lights Drawings - Students made pictures of the Northern Light by coloring brightly colored swirls on black construction paper then adding a small amount of sugar water to make them glisten.