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Cooking with the Sun

(Complete Item Description)

Abstract:: Students learn about using renewable energy from the Sun for heating and cooking as they build and compare the performance of four solar cooker designs. They explore the concepts of insulation, reflection, absorption, conduction and convection.

Subject:: Mathematics and Statistics, Science and Technology
Grade Level:: Primary
SubTopics:: Green Building and Design , Energy
Collection:: TeachEngineering

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Do Different Colors Absorb Heat Better?

(Complete Item Description)

Abstract:: Students test whether the color of a material affects how much heat it absorbs. Students will place an ice cube in a box made of colored paper (one box per color; white, yellow, red and black), which they will place in the sun. The students will make prediction as to which color will melt the ice cube first. They will record the order and time required for the ice cubes to melt.

Subject:: Mathematics and Statistics, Science and Technology
Grade Level:: Primary
Collection:: TeachEngineering

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The Energy of Light

(Complete Item Description)

Abstract:: In this introduction to light energy, students learn about reflection and refraction as they learn that light travels in wave form. Through hands-on activities, they see how prisms, magnifying glasses and polarized lenses work. They also gain an understanding of the colors of the rainbow as the visible spectrum, each color corresponding to a different wavelength.

Subject:: Mathematics and Statistics, Science and Technology
Grade Level:: Primary
Collection:: TeachEngineering

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How Hot Is It?

(Complete Item Description)

Abstract:: Students learn about the nature of thermal energy, temperature and how materials store thermal energy. They discuss the difference between conduction, convection and radiation of thermal energy, and complete activities in which they investigate the difference between temperature, thermal energy and the heat capacity of different materials. Students also learn how some engineering requires an understanding of thermal energy.

Subject:: Mathematics and Statistics, Science and Technology
Grade Level:: Primary
Collection:: TeachEngineering

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Let the Sun Shine!

(Complete Item Description)

Abstract:: Students learn how the sun can be used for energy. They learn about passive solar heating, lighting and cooking, and active solar engineering technologies (such as photovoltaic arrays and concentrating mirrors) that generate electricity. Students investigate the thermal energy storage capacities of test materials. They learn about radiation and convection as they build a model solar water heater and determine how much it can heat water in a given amount of time. In another activity, students build and compare the performance of four solar cooker designs. In an associated literacy activity, students investigate how people live "off the grid" using solar power.

Subject:: Mathematics and Statistics, Science and Technology
Grade Level:: Primary
SubTopics:: Energy
Collection:: TeachEngineering

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Renewable Energy

(Complete Item Description)

Abstract:: In this lesson, students are introduced to the types of renewable energy resources. They are involved in activities to help them understand the transformation of energy (solar, water and wind) into electricity. Students explore the different roles of engineers working in renewable energy fields.

Subject:: Mathematics and Statistics, Science and Technology
Grade Level:: Primary
SubTopics:: Energy , Water
Collection:: TeachEngineering

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