Episode notes
In this episode, I talk about the five major eruption styles - Icelandic, Hawaiian, Strombolian, Vulcanian, and Plinian. What are the characteristics of these different styles of eruptions and what materials do they produce? 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
Podcast
GEO Podcast
Gary Lewis, GEOetc.com · Tech & Science · English
A place to learn about geology for teachers, students, rock hounds, and geology enthusiasts - that comes out on Fridays! Gary Lewis is an Australian-born geologist who loves to share his passion for all things 'geology'. In the GEO podcast, Gary takes you on a journey to learn about rocks, minerals
More from GEO Podcast All episodes →
-
S4 · E62 · 19 May 2023 · 9 min
Hawaii - why I love taking people to visit the volcanoes
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
-
S4 · E61 · 12 May 2023 · 8 min
The 5 Great Extinctions
In this episode, I talk about the five great extinction events - events in which more than 70% of species on Earth become extinct. When did these occur and what might have caused each event. 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
-
S4 · E60 · 5 May 2023 · 6 min
Graptolites
In this episode, I talk about the extinct colonial animal we call graptolites. These are fascinating fossils as they not only show an evolutionary trend that goes from complex to simple, but their wold-wide distribution makes them a perfect index fossil. 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
-
S4 · E59 · 28 Apr 2023 · 8 min
Elements needed for an EV battery
In this episode, I talk about the major elements needed for an EV battery (lithium, cobalt, nickel, manganese and graphite). How much is needed for just one EV battery? Where are these materials currently coming from? 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
-
S4 · E58 · 21 Apr 2023 · 8 min
Volcanic Explosive Index
In this episode, I talk about the Volcanic Explosive Index (VEI) and how that logarithmic scale is used to rate eruptions. It is based on the amount of material ejected, the size of the eruption plume and the length of the eruption. 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
-
S4 · E56 · 7 Apr 2023 · 5 min
Sapphires, Rubies & Corundum (oh my!)
In this episode, I talk about the corundum family of minerals - their chemistry, how they form, and what makes them different from each other. 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
-
S4 · E55 · 24 Mar 2023 · 7 min
Longshore Drift - the shifting sands
In this episode, I talk about how sand moves along a beach due to longshore drift. 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
-
S4 · E54 · 16 Mar 2023 · 8 min
Volcanoes & Climate
In this episode, I talk about how volcanic eruptions can affect climate - by releasing ash, gas, and aerosols. We talk about the role of CO2 and SO2 and what effect they may have. I talked specifically about Pinatubo, Tambora, and the Laki eruptions. I also mention an activity available for GEOetc Members called Climeworld that members can download and use in their classrooms to show students how the volcano's location can affect climates in different hemispheres. Visit our GEOet...
-
S4 · E53 · 10 Mar 2023 · 7 min
Focus & Epicenter - important earthquake terms
In this episode, I talk about the difference between the terms focus and epicenter. What do the terms mean and how are they used? How is the information about an earthquake's focus used? How about the information about the epicenter of an earthquake? 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
-
S4 · E52 · 3 Mar 2023 · 6 min
Ring of Fire - what's happening around the Pacific?
In this episode, I talk about what is causing the Pacific Ring of Fire. Why do 75% of all active volcanoes and 90% of all earthquakes happen around the edge of the Pacific Ocean? 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
Take it with you
The Melo app keeps playing with the screen off, works in the car and on your watch, wakes you to your station, and browses the whole catalogue offline. Free, no ads, no account.
