Curated OER
Coal Mining: A Visual Documentary
The Harold Keen Coal Company has produced an excellent video which shows the viewer all about the process of mining coal that shows some rarely-seen images of the intricacies of underground mining. Surface mining is also described in...
MinutePhysics
Upside Down Mountains in Real Life
A mountain gets smaller as you get to the top, right? It depends on how you look at it, because in terms of surface area, it may actually get bigger. Learners consider this idea as they view the creative video lesson.
MinuteEarth
Why is it Hot Underground?
The deeper the mine shaft, the hotter the inside temperature, but why is that? The video explores different theories about the temperature of the earth through time. The discovery of radiation altered scientists' views, but mysteries...