How old do scientists think the earth is?
Scientists, using carbon dating, believe the Earth is at least 4.53 billion years.
Which is the most abundant metal in the earth's crust?
Aluminium, surprisingly, is the most abundant metal in the earth's crust.
What is the most abundant element in the earth's atmosphere?
The air we breathe is actually only 21% oxygen, and mostly made of Nitrogen.
Which is the largest ocean in the world?
The Pacific ocean is easily the largest body of water in the world
Mount Everest is the Tallest Mountain on Earth
Mauna Kea, which starts below the water level, is the tallest mountain in the world, a dormant volcano on the island of Hawaii
How far is the earth from the sun?
Light from the sun takes 8 minutes to get to the Earth, and since light travels at 300,000 km per second, that means we are about 150 million km from the sun (93 million miles)
150 million km (93 million miles)
120 million km (74 million miles)
384 million km (238 million miles)
80 million km (50 million miles)
What % of the world's water is saltwater?
Almost all water in the world is the saltwater in the oceans, over 97% of water in the world.
Outside of Antarctica, what is the largest desert in the world?
The Sahara Desert is 9,200,000 square kilometres (3,600,000 sq)
The Earth is the ______ planet from the Sun.
The Earth is the 3rd planet from the sun, after Mercury and Venus.
Earth's inner core is solid.
The core of the earth is mostly melted, incredibly hot magma.
What is the lowest point - on land - in the world?
The Dead Sea lies 423 meters (1388 feet) below sea level!
What is the circumference of the Earth?
The Earth's circumference is 40,000 km (24,800 miles)
120,000 km (74,000 miles)
You Have Some Great Knowledge!
The Earth is no great mystery to you. You know quite a bit about the beautiful green, white and blue planet we were all born on. Your knowledge isn't perfect (we suggest you check your mistakes below) but it's way above average. Good job!
You're an Earth Expert!
You really know your planet! You got all (or almost all) of the questions right, which means you have a great store of information at your disposal, especially when it comes to the home we all share, the beautiful planet Earth. We bow to your superior knowledge!