Aerogel, commonly called "frozen smoke," is a super-material with some amazing properties. …
Aerogel, commonly called "frozen smoke," is a super-material with some amazing properties. In this lesson and its associated activity, students learn about this silicon-based solid with a sponge-like structure. Students also learn about density and how aerogel is 99.8% air by volume, making it the lightest solid known to humans! Further, students learn about basic heat transfer and how aerogel is a great thermal insulator, having 39 times more insulation than the best fiberglass insulation. Students also learn about the wide array of aerogel applications.
Lighting is responsible for nearly one-third of the electricity use in buildings. …
Lighting is responsible for nearly one-third of the electricity use in buildings. One of the best ways to conserve energy is to make sure the lights are turned off when no one is in a room. This process can be automated using motion sensors. In this activity, students explore material properties as they relate to motion detection, and use that knowledge to make design judgments about what types of motion detectors to use in specific applications.
Students learn about the basic properties of light and how light interacts …
Students learn about the basic properties of light and how light interacts with objects. They are introduced to the additive and subtractive color systems, and the phenomena of refraction. Students further explore the differences between the additive and subtractive color systems via predictions, observations and analysis during three demonstrations. These topics help students gain a better understanding of how light is connected to color, bringing them closer to answering an overarching engineering challenge question.
Students examine various materials to investigate how they interact with light. They …
Students examine various materials to investigate how they interact with light. They use five characteristicsâtranslucency, transparency, opaqueness, reflectivity and refractivityâto describe how light interacts with the objects.
Solar energy in the form of light is available to organisms on …
Solar energy in the form of light is available to organisms on Earth in abundance. In this storyline, students explore cultural connections with the sun, learn about light and discover how light interacts with other materials through hands-on activities, literacy integration and engineering.
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