Earth Sun

Daily Variations in Solar Energy

Grades:
3-5
Lesson Number:
8
Description:

Students will observe and articulate that even on cloudless days, the amount of solar energy changes with the time of day and the time of year. Solar energy is strongest when the sun is high in the sky (when shadows are shortest). The sun shines more...

Energy Content:
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Learning Goal(s):
Students will understand that when the sun is lower in the sky, it casts a longer shadow on an object. When the sun is higher in the sky, it casts a smaller shadow. Students will also understand the importance of adjusting the position of a solar oven every half hour or so throughout the cooking process to insure that the bottom of the oven is facing the sun directly in order to maximize heat absorption.
Pedagogy & Practice:
Author:
Lisa Morgan
Estimated Activity Length:
40 min
Wadsworth OH thumbnail

Let's Build Sun Ovens

Grades:
3-5
Lesson Number:
9
Description:

The purpose of this lesson is to introduce the students to three different styles of inexpensive solar ovens. Students will work together to build a File Box oven, an auto shade/bucket oven and a “Copenhagen” style oven. Students will follow written...

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More Details Less Details
Learning Goal(s):
Students will follow written directions and use what they have learned about necessary components of a solar oven to build three different ovens in small groups.
Author:
Lisa Morgan
Estimated Activity Length:
3 hours