🌿 Science & Nature Trivia
Quiz Set 7 — Geology
Answer all 10 questions. Click an option to see if you got it right!
Question 1 of 10
What are the three types of rocks?
Rocks are classified as igneous (from magma), sedimentary (from deposits), or metamorphic (changed by heat and pressure).
Question 2 of 10
What is the hardest natural substance on Earth?
Diamond ranks 10 on the Mohs hardness scale, the highest for any natural material.
Question 3 of 10
What is the outermost layer of Earth called?
The crust is Earth's outermost solid layer, ranging from 5-70 km thick.
Question 4 of 10
What causes earthquakes?
Most earthquakes occur when tectonic plates grind past, collide with, or pull apart from each other.
Question 5 of 10
What scale measures earthquake magnitude?
The Richter scale and its successor, the moment magnitude scale, measure earthquake energy release.
Question 6 of 10
What is a fossil?
Fossils are preserved remains or traces of organisms that lived in the past, found in sedimentary rock.
Question 7 of 10
How old is the Earth?
Earth is approximately 4.54 billion years old, determined through radiometric dating of meteorites.
Question 8 of 10
What is magma called when it reaches the surface?
Magma that erupts onto Earth's surface through a volcano is called lava.
Question 9 of 10
What type of rock is marble?
Marble is a metamorphic rock formed when limestone is subjected to heat and pressure.
Question 10 of 10
What is the Ring of Fire?
The Ring of Fire is a horseshoe-shaped zone around the Pacific Ocean where most earthquakes and volcanic eruptions occur.