A physical object has long defined the kilogram--but that’s about to change.
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Teens engineer an unusual contraption to take part in a mechanical artwork race.
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Skills Sheets (3)
Skills Sheets (3)
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Lesson Plan (2)
Some elephants no longer grow tusks. Surprisingly, that may give them a better shot at survival.
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Skills Sheets (3)
Skills Sheets (3)
Skills Sheets (3)
Lesson Plan (2)
Lesson Plan (2)
At SpaceX, Gwynne Shotwell works to advance space exploration
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Lesson Plan (1)
Read a gross science article about a muddy obstacle course.
Constructing Explanations: Analyze a photo of an intriguing natural phenomenon.
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Read a short science news article with a map about newly-discovered penguin colonies.
Read a short science news article with a bar graph about a giant model of the Mississippi River.
Read a short science news article about a 3-D printed motorcycle.
Read a short science news article about designing a LEGO wheelchair for a turtle.
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Read a short science news article about making long-lasting pizza for soldiers in combat zones.
Read a short science news article about an incorrectly designed squid emoji.
Pollen released by plants in the spring often causes sniffles. Here are some figures about seasonal allergies.