The Round Earth and Christopher Columbus
Students listen to a historical review lecture, starting with the existence of the horizon at sea, proceeding to various studies of the Earth's size and shape, and leading to the attempt by Columbus to reach India by sailing westward.
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Patterns Using Metals, Nonmetals, and Metalloids
General chemistry classmates make qualitative and quantitative observations of unknown materials to discover the properties of metals and nonmetals. They also examine chemical properties of several elements. Research and assessment...
9th - 12th Science
Lights on the International Space Station
Groups explore illumination with NASA's Lighting Environment Test Facility (LETF) as a context. Using the TI-Nspire app, groups determine the lux equation that models their simulation. They then use the lux equation to solve problems...
9th - 12th Math CCSS: Designed
New Review Britannia Rule the Waves
Could you determine longitude based on measuring time? Early explorers used a longitude clock to do just that. Scholars learn about early exploration and the importance of the invention of the clock. Then pupils build their own longitude...
9th - 11th Science CCSS: Adaptable
New Review Historical Climate Cycles
Scientists use ice core samples to obtain temperatures of the earth from 400,000 years ago! The third of five lessons instructs pupils to interpret historical climate data to see changes over time. In part I, participants interpret...
7th - 9th Science CCSS: Adaptable