This quiz has been taken 6 times.
Average score: 75%
How many earthquakes happen on earth every year?
The correct answer is "More than 50,000"
How old is the planet earth?
The correct answer is "4.5 billion years"
What percent of the water on earth is actually drinkable?
The correct answer is "1%"
What is the longest a solar eclipse can possibly last?
The correct answer is "No more than 8 minutes"
What speed does the earth travel through space?
The correct answer is "660,000 miles per hour"
What is the earth's core made up of?
The correct answer is "Nickel and iron"
What is the axial tilt of the earth?
The correct answer is "23.5"
How many continents does earth have?
The correct answer is "7, with Greenland being the largest Island."
Earth is the _______ planet from the sun.
The correct answer is "Third"
What percent of the total mass of the solar system does the Sun contain?
The correct answer is "99.8%"