The Round Earth And Christopher Colombus
Students engage in a historical review, 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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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
Survival of the Fittest; Variations in the Clam Species
Students explore biology by completing hands-on activities in class. In this evolution activity, students define terms such as mutations, natural selection, and adaptation before conducting an adaptation related experiment in which candy...
6th - 12th Visual & Performing Arts
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
Top 10 Reasons Why We Know the Earth is Round
Top tens lists are a lot of fun, and this one is educational as well! Viewers of the video find out ten reasons we know that the earth is not flat, as the pre-Colombus world believed. Some of the reasons are obvious, some are common...
4 mins 7th - 12th Science
Learning Lesson: The Shadow Knows II
Students discover and practice how to calculate the circumference of the Earth. They measure the length of their shadows and use the distance they are away from the equator to complete the calculations. They discuss winter or summer...
9th - 10th Social Studies & History