Welcome to the Member Resources page. All the resources on this page are available to Members of the site. Everyone can view the list and range of resources, but unless you are a member you will be unable to access them.
Why become a member?
- Get access to a range of tested Earth science classroom activities and teacher guides,
- Get access to posters, rock charts, and more,
- Get access to video clips and full classroom video-based modules,
- Get discounts on all our educator Field Adventures (does not include Geocaching trips)
- Get discounts on other GEOetc services.
Who can become a member?
- Teachers, educators, college students, homeschoolers, retirees…anyone who has a passion for Earth science!
To become a member, you can click on any of the resources below and follow the ‘Register’ links or join up here.
So many resources...scroll down or click on a button to jump to a section.
GEO Quiz World
Have your students take a quick 10-question multiple choice quiz on a range of Earth science topics. Be sent an email of how they did in the quiz. Take the quiz yourself to test your own knowledge.
Activities and Resources
You can narrow down your search by selecting the Topic and/or Type of resource.
To return to the full listing, just unselect the boxes.
Magma Paperclips
Eruption Styles
Writing Prompts
Granite Mineral Search
Earth’s Rock Cycle Poster (Free)
Earth’s Rock Cycle Poster
Rock Cycle Proceses (Complex)
Rock Cycle Rock Types (Complex)
Rock Cycle Rock Types
Rock Cycle Processes
Mineral Charts
Mineral Color
Gold Streak
How hard is it?
Sedimentary Shuffle
Seismic Shadow
Earthquake – Data
Tsunami – Data
Volcanic Eruptions – Data
Sock Faults
What soil type?
Plate Tectonics Battleships
What is doing it – Physical Weathering
Freeze and thaw – physical weathering demo
Soil in a jar
How old was the tree?
Flow vs Sill
Iceland – damage in Grindavik photos
Hekla History
What’s happening on Sebago Beach?
Count the columns
Graptolite Games
Toilet Paper Timelines
Time Speedometer
Divergent Dilemma
Metamorphic Thermometer
What Schist?
iPhone Index Fossils
Tectonicland
Ocean Floor Ages
Name the Plates
Zircon Dating
Earth’s Interior Layers
Cruise of the RV Oakley
Earth science is HOT Poster
Present is key to past Poster
Stromatolite Poster
Geologic Time Poster
Compass Reading
Earth’s Plate Tectonic Features
World Earthquakes by Depth
Gravestone Project – teachers guide
Lava Risk – interpreting a lava risk map
Thunder Island – volcanic eruption simulation
World River Quest
Banded Iron Formation Chemistry
Crystal Chemical Zones
Reading Ternary Diagrams
Chemical Weathering of Feldspar
Crustal Elements
Earthquakes – Find Detritus
Trilobite ID
Structure of Earth
Climeworld Eruption
Occupation Ages
Terrace Temperatures
Tree ring climates
Iceman – ice core forensics
Plate Tectonic 3D Models
Earthquakes – reading time & distance (P&S) graph
Where to build the Hospital – Lava risk
Thunder Island – a volcanic eruption simulation
Earthquake Magnitude
Subduction Worksheet
Crust Types Worksheet
Glacial striations (DEMO)
Icebergs and sea level rise (DEMO)
Using Gravestones
Lava in Lihue – Role play activity
Cross Section Activities
Discussion Starters
Short videos that can help you start discussions with your students.
What are these washed up rocks? (Pumice)
What is making the rocks look like this? (Weathering)
What is cutting through those rocks? (Igneous intrusion)
How did that rock get here? (Tsunami)
Phenomenon Video Snaps
These are short explainer videos that highlight some features or geological concepts.
Posters
Rock Posters
Print your own rock posters – downloadable PDF file. 4 full-color pages. These are 2 pages wide (17 inches/43 cm) and 2 pages high (22.7 inches/58 cm).
Sedimentary
Metamorphic
Igneous
Rock Cards
This is a new and growing resource for your teaching. Each rock card provides you with images of the outcrop, an interactive hand specimen (you can zoom in and rotate), and a hand lens view.
Rock card: Gneiss – Gilead, NH, USA
Rock card: Pegmatite vein – Windham, ME
Rock card: Basalt dike – Windham, ME
Rock card: Granite – Windham, ME
Rock card: Basalt – Hawaiian lava flow
The Earth Science Teacher
The Earth Science Teacher was the member journal of GEOetc. It was published a few times a year and contained background information, teaching resources, links to member resources, and more.
It was discontinued in 2024.
TESTeacher 4.4 – Sedimentary Rocks
TESTeacher 4.3 – Erosion
TESTeacher 4.2 – Chemical Weathering
TESTeacher 4.1 – Physical Weathering
TESTeacher 3.4 – Igneous Intrusions
TESTeacher 3.3 – Rock Relationships
TESTeacher 3.2 – EarthCaching
TESTeacher 3.1 – Metamorphic Rocks
TESTeacher 2.4 – Glaciers
TESTeacher 2.3 – Iceland volcanoes
TESTeacher 2.2 – Divergent Plate Boundaries
TESTeacher 2.1 Fossils
TESTeacher 1.4 Deep Time
TESTeacher 1.3 Mineral Identification
TESTeacher 1.2 Volcanoes
TESTeacher 1.1 Earthquakes
Videos
Mathematics on an Active Volcano
Engineering on an Active Volcano
Technology on an Active Volcano
Science on an Active Volcano
Watcha Thinkin
Watcha Thinkin is a way to start discussions in your classroom about an Earth Science topic (aligned to the NGSS Storyline process).
Watcha Thinkin – Volcanoes
Writing Prompts
My story – Outrun the lava
My story – Lava tube
My story – Coconut Sprout
My story – Volcanic crater
My story – Horses to the falls
My story – Falling column
My story – Boy strikes it rich
My story – In the vent
My story – Devils Coach House
My story – Diamond Beach
Earth & Beyond
We are building a full curriculum – and will release new lessons here.
Exploring Earth’s Layers: Core, Mantle, and Crust
GEOetc on TickTok
If you are looking for some Earth Science on TikTok – then check out the videos i record while traveling around the planet. You will find the latest on the TikTok app. Just search for @GEOetc
















































