electromagnetic spectrum

Radio Explorers: Messages from Space
Learners investigate the differences between sound and radio waves in a partial vacuum.
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Radio Explorers: Wi-Fi Detective
Learners explore how to manipulate the radio waves from a Wi-Fi router using household materials and an app to measure Wi-Fi signal strength.
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Radio Futures: You Decide
Learns discover how their own values and the values of other can shape the development and use of future radio technologies.
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Radio Explorers: Radio Silence
Learners compare and contrast how a variety of materials can block radio waves.
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Exploring the Universe: Filtered Light
In this activity, learners discover how colored filters can help reveal more about an image and we can use light and filters to learn more about an object.
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