Earth Quiz

How old is the Earth?

• 6000 years

• 4.5 billion years

• 2.1 billion years

• 13.8 billion years

What percent of the Earth is covered with water?

• 70%

• 90%

• 60%

• 80%

What is the most common element in Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Argon

Earth is the _______ from the sun in our solar system.

Ever wondered why we have different seasons?

• because that's how earth is created

• because of the different continental

• because its natural

• because the Earth is tilted 23.4 degrees on its ‘axis’

How many continents does Earth have?

• 1

• 5

• 6

• 7

What is the outermost layer of Earth's atmosphere?

• Mesosphere

• Thermosphere

• Stratosphere

• Exosphere

How long does it take Earth to revolve around the Sun?

• 265 days

• 465 days

• 365 days

• 565 days

What is the Earth's circumference?

• 64,494 km

• 40,075 km

• 21,345 km

• 155,600 km

How many natural satellites does Earth have?

• 3

• 2

• 1

• 4