"Science First"
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Project STAR Spectrometer
Clearance
View Spectra with an Accuracy of ±1 Nanometer
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Handheld Discharge Electrode
Clearance
The Handheld Discharge Electrodeeasily and safely discharges an electrostatic generator.
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Ward's® Essentials Architecture Challenge
Clearance
Connect Engineering and Earth Science.
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Ward's® Essentials Crawling Color Walking Water
Clearance
Explore properties of light with primary and secondary colors.
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