In this episode, I talk about the three reasons why people and civilizations grew up around active volcanoes.   Why did people need to live close to the dangers of eruptions?  What was it that drove and kept them there? Visit our GEOetc Members Section - Over 100 teaching resources that are classroom-ready to help you teach Earth science. Check them out! Support the show ..read more

In this episode, I explain in simple terms what is happening in Iceland these last few years on the plate boundary.  I explain the two geological phenomena in Iceland, the recent eruptions and earthquake activity, and how they are related to Plate Tectonics. Support the show ..read more

In this episode, I talk about fake fossils and why people create them, as well as pseudo fossils such as dendrites. Visit our GEOetc Members Section - Over 100 teaching resources that are classroom-ready to help you teach Earth science.  Come and check out all we have to offer at GEOetc.com Support the show ..read more

In this episode, I talk about how molten rock is formed inside the Earth - what are the mechanisms that cause our planet to produce molten rock to feed volcanoes? Visit our GEOetc Members Section - Over 100 teaching resources that are classroom-ready to help you teach Earth science. Check them out! Support the show Support the show ..read more

In this episode, I talk about the different forms of limestone and how they form including chalk, coquina, fossiliferous limestone, travertine, and oolitic limestone.     Visit our GEOetc Members Section - Over 100 teaching resources that are classroom-ready to help you teach Earth science. Check them out! Support the show ..read more

In this episode I talk about Bowen's Reaction Series - and how it tells us the order of crystallization of minerals from molten rock. Support the show ..read more

The Earth is a huge system made up of a number of 'spheres' - the geosphere, hydrosphere, cryosphere, atmosphere, and biosphere.  What are each of these spheres and how can they interact?  This episode explains each sphere and gives examples of the interaction between them. Visit our GEOetc Members Section - Over 100 teaching resources that are classroom-ready to help you teach Earth science. Check them out! Support the show ..read more

In this episode, I talk about the things to consider when buying a geologic hammer - what to look for and the decisions you will need to make.  You can find this information and more in my blog post about buying a forever hammer.   Visit our GEOetc Members Section - Over 100 teaching resources that are classroom-ready to help you teach Earth science. Check them out! Support the show ..read more

In this episode, I talk about the three common minerals that fool people into thinking they have found gold - pyrite, chalcopyrite, and mica.  I talk about the simple tests you can do to find out if what you found was really gold or one of these three.   Visit our GEOetc Members Section - Over 100 teaching resources that are classroom-ready to help you teach Earth science. Check them out! Support the show ..read more

In this episode, I talk about the four reasons I just love to take people on tours around the volcanoes in Hawaii. It is about the accessibility of seeing the planet's largest and most active volcanoes and more. Come join us on an field adventure: www.geoetc.com/field-adventures Support the show ..read more