'Dark rings' diaporamas de présentation

Special case of interference in air film of variable thickness

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The Solar System

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Chapter 37

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EQ: How do I describe the function of the stems and roots?

EQ: How do I describe the function of the stems and roots?. Stems. Two important functions Carries substances between roots and leaves Supports plant so leaves are exposed to the sun. EQ: How do I describe the function of the stems and roots?. Structure of a Stem. Two types of stems

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How does a Tree Talk to You ?

How does a Tree Talk to You ?. Through its tree rings!. Each tree ring shows us how much the tree grew in that season. There are two growing seasons in one year!. How a tree grows. Light rings show growth in the spring season. Dark rings show growth in the winter/fall season.

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