by museumofidastg | Feb 15, 2023
420 million years ago, some fish were more medieval. They wore armor, sometimes made of big plates, and sometimes made of interlocking scales. But that armor may actually have served a totally different purpose, one that many animals still use today. video courtesy of...
by museumofidastg | Feb 15, 2023
The biggest turtle ever described wasn’t an ancestor of today’s leatherback turtles or any other living sea turtles. But it looks like there are some things about being a giant, skin-shelled sea turtle that just work, no matter where, or when, you lived. video...
by museumofidastg | Feb 15, 2023
The marine reptile Ichthyosaurs arose after The Great Dying, which wiped out at least 90 percent of life in the oceans, changing the seas forever and triggering a new evolutionary arms race between predator and prey. video courtesy of PBS Eons
by museumofidastg | Feb 15, 2023
Written for children in grades K-4, this textbook introduces basic concepts of geology, including rocks and minerals, basic structure of the Earth, volcanoes, earthquakes, the water cycle, and Earth’s magnetism. This primer is available in student and teacher versions...
by museumofidastg | Feb 15, 2023
This organization has free textbooks on Earth science and provides educational materials that support the use of their textbooks in classrooms. Textbooks can be downloaded as-is or custom-designed by the user. Users are also free to author their own textbooks using...
