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Grades 3–5
How Do Cell Phones Send Messages
physical science · NGSS 4-PS4-3
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“cell phones” worksheets and activities
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Grades 3–5
How Antennas Work
physical science · NGSS 4-PS4-3
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Grades 3–8
Which Type of Radiation has the Shortest Wavelength
physical science
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Grades 5–8
Waves and Communication
physical science · MS-PS4-3
$1.50
Passage
Grades 3–5
How Tsunami Warnings Work
weather and climate · NGSS 4-ESS3-2
$1.50
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