Intermediate Intermediate difficulty. Earth Which rigid outer layer of Earth is divided into tectonic plates? Answer Lithosphere Draw the answer
Easy Easy difficulty. Earth What is the largest island on Earth, excluding continents? Answer Greenland Draw the answer
Easy Easy difficulty. Earth What is the largest island on Earth that is not considered a continent? Answer Greenland Draw the answer
Hard Hard difficulty. Earth What mineral is thought to be the most abundant in Earth's lower mantle? Answer Bridgmanite Draw the answer
Hard Hard difficulty. Earth What is the name of the largest single volcano on Earth by area? Answer Tamu Massif Draw the answer
Hard Hard difficulty. Earth What type of seismic wave cannot travel through Earth's liquid outer core? Answer S-wave Draw the answer
Hard Hard difficulty. Earth What is the oldest known impact structure on Earth? Answer Yarrabubba impact structure Draw the answer