Illustrative Mathematics
Illustrative Mathematics: G Srt Mt. Whitney to Death Valley
In this task, learners are asked to make a mathematical model and determine if it is possible to see a point on the surface of the Earth that is 85 miles away, and well below sea level, from the top of a mountain. The curvature of the...
Illustrative Mathematics
Illustrative Mathematics: G C, G Srt Neglecting the Curvature of the Earth
Jerry and Ashley are trying to find out if it is possible to see the lowest point in the USA from the highest point in the USA. It turns out that the highest point in the United States, the peak of Mount Whitney, is only 85 miles from...
Wikimedia
Wikipedia: Tutankhamun
Wikipedia, an open-source encyclopedia, offers a detailed overview of the life, death, and discovery of the tomb of Tutankhamun.
Smithsonian Institution
National Museum of Natural History: American Mammals: Desert Kangaroo Rat
Desert Kangaroo Rats live in sand dunes in very hot, dry deserts of the southwestern United States, even below sea level in Death Valley, California. They need deep sand for their burrows, and will not dig them in rapidly shifting sand....
