Interactive
Weber State University

The Sun and the Seasons

For Students 9th - 12th
Why is there more daylight in June than in December if you live above the equator? How does the angle of sunlight shift throughout the year? Answer these questions and more with an interactive article about the sun, its path through the...
Website
National Institutes of Health

Facts About Dietary Supplements Vitamin D

For Students 9th - 10th
A great resource on Vitamin D can be found here! Read about what it is, its sources, the recommend intake, Vitamin D deficiency, people who may need extra Vitamin D to prevent deficiencies, and health risks associated with too much...

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