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 scienc...
24 Maalis 20237min
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 specific...
16 Maalis 20238min
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 ...
10 Maalis 20237min
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 Mem...
3 Maalis 20236min
Diamonds - all about those gems!
In this episode, I talk about diamonds - where they form, how they are brought to the surface and even about different colors and uses.Visit our Members Section - Over 100 teaching resources that are ...
24 Helmi 20239min
Index Fossils - the keys to dating layers
In this episode, I talk about index fossils - what are they and what makes one fossil better than another for dating layers in a sedimentary sequence. I aven leave you pondering what human product w...
17 Helmi 20237min
Landslides - the 'other' natural disaster!
In this episode, we talk about the main causes of landslides and provide examples - California and Thredbo, NSW, Australia. What is the role of water? What about trees and deforestation? How can e...
10 Helmi 20238min
Radioactive dating - how does it tell us how old rocks are?
Rocks can contain radioactive elements that breakdown (decay) over time at a set rate. We can use this decay to work out the age of the rocks. In this episode, we do a brief look at the process, and...
12 Marras 20227min
