![An image showing the symbol, atomic number and relative atomic mass of sodium. Sodium’s symbol is Na, its atomic number is 11 and its relative atomic mass is approximately 22.99. Image © istockphoto.com/3dalia](/sites/default/files/styles/resource_card_image_360x300_/public/2019-08/3590-1.jpg?itok=2VBKhM3W)
Na Na Na Na (Hey Hey Hey) Sodium!
STEM Explained
Sodium is a useful chemical element. You consume it as table salt regularly. Learn about salt mining, sodium uses, and what problems too much sodium can cause.
![Georgetown, Australia](/sites/default/files/styles/resource_card_image_360x300_/public/2022-09/1024px-Georgetown-gulf-savannah-outback-queensland-australia.jpg?itok=_9e1IR1-)
How Did a Piece of Canada End Up in Australia?
STEM Explained
Learn how geologists used radioactive dating to uncover geology shared by both Canada and Australia.
![How can I make a volcano?](/sites/default/files/2019-08/how-can-i-make-a-volcano.jpg)
How can I make a volcano?
Hands-on Activities
Create a model of an erupting volcano and learn about the structures of a stratovolcano in this hands-on activity.
![Close-up of an amethyst geode](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/geode_close-up.jpg?itok=e0eo8bjg)
What is a Crystal?
STEM Explained
Learn what makes a crystal a crystal.
![Kelsey Privett - Géologue de projet d'exploration, Mine Lac des Iles](/sites/default/files/styles/career_image/public/2019-08/5138_14.jpg?itok=oEMP_f6H)
Kelsey Privett (Video)
Exploration Project Geologist
![Jason Carignan - Technicien de mines](/sites/default/files/styles/career_image/public/2019-08/4962_14.jpg?itok=9eWjBZdC)
Jason Carignan (Video)
Mine Technician
![Cameron McLean - Gestionnaire de l’exploration](/sites/default/files/styles/career_image/public/2019-08/5167_14.jpg?itok=Mojmc07N)
Cameron McLean (Video)
Exploration Manager
![Joel Shank | Geoscientist, Hibernia Management and Development Company Joel Shank | Géoscientifique, Société d’exploitation et de développement d’Hibernia](/sites/default/files/styles/career_image/public/6034_13.jpg?itok=Me2ikQGP)
Joel Shank
Career Profiles
Geoscientist
![Cameron McLean | Exploration Manager Cameron McLean | Gestionnaire de l’exploration](/sites/default/files/styles/career_image/public/5167_13.jpg?itok=sTPioGeW)
Cameron McLean
Career Profiles
Exploration Manager
![Kelsey Privett | Exploration Project Geologist, Lac des Iles Mine Kelsey Privett | Géologue de projet d’exploration, Lac des Iles Mine](/sites/default/files/styles/career_image/public/5138_13.jpg?itok=uO8cO02_)
Kelsey Privett
Career Profiles
Exploration Project Geologist
![Heather Orr | Tailings Dam Project Manager Heather Orr | Gestionnaire de projet, digue à stériles](/sites/default/files/styles/career_image/public/4913_13.jpg?itok=y0T_4tbl)
Heather Orr
Career Profiles
Project Manager