by: Shravya NPJanuary 18, 2026January 18, 2026 Planet Earth – Quiz How much do we know about our Planet Earth A small quiz to challenge your knowledge about the planet Earth. Note – Refrain yourself from referring to google or AI for answers. 1 / 10 At what degree is Earth’s axial tilt? 23.5 degree 40 degree 25 degree 2 / 10 Earth’s rotation varies faster at the equator and slows at the poles yes No none of the above 3 / 10 How many lightning strikes per year does Earth experience? 1.4 million 1.4 billion 1.2 billion 4 / 10 How many miles long is the Grand Canyon? 275 miles 255 miles 277 miles 5 / 10 What is Mount Everest’s highest point above sea level? 8,848 feet 29,029 feet 31,234 feet 6 / 10 What is the depth of the Mariana Trench? 36,201 feet 30,561 feet 32,789 feet 7 / 10 What is the age of the planet Earth? 4.54 billion years 4.24 billion years 4.47 billion years 8 / 10 As we all know, 71% of the Earth’s surface is covered with water; what percentage is freshwater? 20% 2.5% 35% 9 / 10 The percentage of Nitrogen gas present in the atmosphere? 70% 81% 78% 10 / 10 Tectonic plates are located in which sphere? Lithosphere Asthenosphere Hydrosphere Your score isThe average score is 85% 0% Restart quiz Related