Microsoft Rewards Bing Earth Quiz: Measured around the equator, what’s the Earth’s circumference? A 12,358 miles B 24,901 miles C 247,365 miles The measurement of Earth around the equator is 24,901 miles, plus about a half-mile more. Perhaps that extra bit is from all the bulging caused by centripetal force. The correct answer is 24,901 … Read more
Microsoft Rewards Bing Earth Quiz: Which of these accurately describes the shape of planet Earth? A Bulging sphere B Dodecagonal C Jelly bean-like Due to our planet’s rotation on its axis, centripetal forces push on the North and South poles causing the globe to bulge a little around the equator. That shape is called an … Read more
Microsoft Rewards Bing Earth Quiz: How many days does it take Earth to complete one orbit of the sun? A 365.25 B 365 C πr2 Based on three different models of measuring our solar year, one trip around the sun takes about 365 days…and an extra quarter of a day. That’s why every four years, … Read more
Microsoft Rewards Bing Earth Quiz: What is the biggest influence on Earth’s weather and climate patterns? A Ocean currents B The sun C Gravity The large-scale movement of ocean waters—such as the Gulf Stream—can affect air temperatures, precipitation, and a variety of other aspects of ecosystems around the world. It’s just one more reason to … Read more
Microsoft Rewards Bing Earth Quiz: What percentage of Earth’s surface is covered in water? A 31% B 51% C 71% Most of the planet is covered in water, with the Pacific Ocean alone making up 30% of the surface. Less than 3% of the surface is fresh water. The correct answer is 71%.