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Lesson Plan
Curated OER

Measuring the Sun's Diameter

For Teachers 7th - 12th
Young scholars project and measure the suns image using a refracting telescope.  In this sun's diameter lesson students calculate the magnification of the telescope and determine the diameter if the Sun. 
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Lesson Plan
Curated OER

May The Earth Be Revolving Around The Sun?

For Teachers 9th - 12th
Young scholars trace the beginning of the heliocentric theory of the solar system--the idea that the solar system revolves around the Sun--to an observation by the Greek astronomer Aristarchus, which convinced him that the Sun was much...
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Lesson Plan
Curated OER

"The Bridge"

For Teachers 7th - 12th
Students read poem, "The Bridge," by Henry Wadsworth Longfellow, discuss how they are connected to other human beings, both past and present, and create time capsules including their favorite memorabilia.
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Worksheet
Curated OER

Intermediate Critical Reading - Clocks

For Students 5th - 7th
In these critical reading worksheets, students read the short story about clocks. Students then answer 3 critical reading questions about the passage.