A physical object has long defined the kilogram--but that’s about to change.
Teens engineer an unusual contraption to take part in a mechanical artwork race.
Videos (1)
Skills Sheets (3)
Skills Sheets (3)
Skills Sheets (3)
Lesson Plan (2)
Lesson Plan (2)
Some elephants no longer grow tusks. Surprisingly, that may give them a better shot at survival.
Videos (1)
Skills Sheets (3)
Skills Sheets (3)
Skills Sheets (3)
Lesson Plan (2)
Lesson Plan (2)
At SpaceX, Gwynne Shotwell works to advance space exploration
Videos (1)
Skills Sheets (1)
Lesson Plan (1)
Read a gross science article about a muddy obstacle course.
Constructing Explanations: Analyze a photo of an intriguing natural phenomenon.
Lesson Plan (1)
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.
Videos (1)
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.