How does the quiz work?

Test your knowledge of geology! We will take you on a journey into the wonderful world beneath your feet with seven statements. You can answer each statement with a ‘true’ or ‘false’, after which you will receive an explanation of whether your answer is correct or incorrect. Your test will begin when you click on the start button. Good luck!

Test your knowledge of geology!

We like to share our fascination for the subsurface with you. Because geology is closer to home than you’d think. What do you already know about the wow factor of this invisible phenomenon? Test your knowledge to find out if you’re a budding geoscientist or if you’re already an expert!Onze fascinatie voor de ondergrond delen we graag met jou. Want geologie is dichterbij dan je denkt. Wat weet jij al van de wow-factor van dit onzichtbare fenomeen? Test je kennis en ontdek of jij die aardwetenschapper in de dop of al expert bent!

Start the quiz

There are no volcanoes in the Netherlands

The picture opposite shows a sample shot of a drill core. We use this to investigate what types of subsoil we have under our feet.

Monsteropname van een boorkern

The oldest known rock in the Dutch subsurface is over half a billion years old

The picture on the right shows a sample image of a drill core. We can examine these for the presence of mountain formation that occurred far back in time.

Monsteropname van een boorkern

With the many data available, we can answer all possible questions about the Dutch subsurface


The earth layers of the Dutch subsurface are listed in a kind of 'geological phone book'

The picture on the right shows the stratification of the limestone (Muschelkalk) in the Winterswijk quarry.

Gelaagdheid van kalksteen (Muschelkalk) in de steengroeve van Winterswijk

The salt you have on your table could be as much as 260 million years old.


The whole of the Netherlands was covered by a thick land ice sheet during the penultimate ice age (150,000 years ago).


You taste the soil of the vineyard in the taste of wine

Wandering through vineyards, do you ever wonder if and how the subsoil affects the taste of wine?

Blauwgekleurde bladeren van wijnbomen
Did you get all questions right? If so, you must be an expert, and we gladly invite you to take a look at our vacancies. If you learned a lot from this quiz and found it interesting, you might also like the geological hotspots. If you have any additional questions, take a look at our projects or contact us.
Sfeerbeeld van een geoloog bezig met veldwerk.