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Standard: Grade 4 Concept 2 Science and Technology in Soceity

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Standard: Grade 4 Concept 2 Science and Technology in Soceity

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PO 1. Describe how science and technology (e.g., computers, air conditioning, medicine) have improved the lives of many people. PO 2. Describe benefits (e.g., easy communications, rapid transportation) and risks (e.g., pollution, destruction of natural resources) related to the use of technology. PO 3. Design and construct a technological solution to a common problem or need using common materials.

I have have learned from my experiences in the classroom that students develop and gain meaning through their experiences. Therefore, for students to develop a conceptual understand of solar energy I believe they need to take part in an activity where they experience solar energy. So, I researched and found that a lot of teachers have had their classes create solar ovens and have a class cookout. I would do this lesson for my class because not only will students learn about solar power and how it uses the suns energy. First, students would need to understand there are two kinds of solar power, but the kind that they would be working with is photo-voltaic solar power. Explain to students that solar cooking does not require electricity, that it is heated through the sun's energy, solar thermal energy. Explain to students how solar cooking prevents pollution besides saving energy. Go over with students how the sun supplies our earth with energy, but this energy is emitted as visible light. In today's world we looking for other ways to convert suns energy from visible light into heat or electricity. First, in lesson I would need to engage the students by reading a trade book about solar energy and watching an interactive video on brain-pop. I will then go over with vocabulary with students, such as greenhouse effect, solar thermal energy, insulation, absorption, and radiation.
Then I would go over safety rules with the students, the materials and instructions on several ways they can design their solar ovens, then they can decide which design with their group they want to do. In this activity students will be using the engineering design process. Students will use a pizza box for their oven or they can come up with one on their own. They will need aluminum foil, black paper for the bottom of their pizza box, and saran wrap. The problem students would be solving would be to create a solar oven we can cook smores in. As the students work in their groups the teacher would be circulating and asking questions of the students. Such as, I could ask students why are using black colored paper? Could you use white paper? Why or why not? What role does the black paper play in cooking the food? I could ask them if the shape matters when creating the oven to ensure that it works? Or could we use any shaped box? Then students would come back to together as class and explain how they created their ovens, and explain why they created it in a certain way. Students could compare their oven designs to others in the class. We would test their ovens by cooking on them, and for an assessment students could write up a paper about solar energy, what it is, how it is being used as renewable resource.

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Watch the video and learn, how Solar energy panels work .

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Watch the video and learn, how Solar energy panels work .

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The amount of sunlight that hits our earth each day is much greater than the amount of energy people consume.

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Why Arizona is a great state for solar energy and solar panels?

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Why Arizona is a great state for solar energy and solar panels?

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Abundant sunshine throughout the year.
Reduce our need for fossil fuels.
Produces no air pollutants and carbon dioxide.
Doing our part to create a sustainable world.

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Technologies have been developed that collect and convert solar radiation from the sun into electricity.

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You may ask yourself what is solar energy?
It is simple as energy from the sun.