Fun Facts
Earth’s Atmosphere
Earth’s Axis
More Facts
100

How long does it take Earth to complete one full orbit around the Sun?

a. 255 days

b. 300 days 

c. 365 days 

d. 372 days 

c. 365

100

How many layers of earth’s atmosphere are there?

A. 5

B. 2

C. 3

D. 8

a. 5

100

Why do we have seasons?

Because of earth’s tilt on its axis

100

What percent of earth is covered by water?

a. 70%

b. 50%

c. 90%

d.45%

a. 70%

200

Earth is the __ planet from our sun in the solar system. 

a. First

b. Second

c. Third 

d. Fourth

c. Third

200

What is the outer most layer of earth’s atmosphere called?

a. Troposphere

b. The sphere 

c. Exosphere 

D. No sphere

c. Exosphere 

200

How long does it take Earth to rotate on a sidereal day? 

A. 24 hours 1 minute

b. 23 hours 56 minutes

c. 24 hours 6 minutes 

d. 23 hours 59 minutes

b. 23 hours 56 minutes 

200

How high does earths atmosphere go into space?

A. 1000 km

b. 2000 km

c. 10,000 km

d. 5 km

c. 10,000 km

300

How old is earth?

a. 4.5 billion years old 

b. 1 trillion years old

c. 6.1 billion years old

d. 2000 years old

a. 4.5 billion years old 

300

What percent of the earth’s atmosphere nitrogen?

a. 15%

b.100%

c. 0%

d. 78%

d. 78%

300

The earth is tilted __ degrees on its axis

a. 23.4 degrees

b. 20 degrees

c. 30 degrees

d. 25.1 degrees

a. 23.4 degrees

300

What layer of the atmosphere holds the ozone layer?

a. The sphere 

b. Exosphere 

c. Troposphere

D. Stratosphere 

D. Stratosphere

400

How fast does earth orbit around the sun?

A. 100 km/sec

B. 60 km/sec

C. 21 km/sec 

d. 30 km/sec

d. 30 km/sec
400

What percent of the earth’s atmosphere oxygen?

a. 78%

b. 30%

c. 21%

d. 1%

c. 21%

400

Earth‘s axis always turns toward what star?

A. Vega

b. Rigel

c. The North Star

d. No star 

c. The North Star

400

Earth’s inner core is made up of what?

a. Plastic And Rubber

b. Carbon

c. Helium

d. Iron and Nickel

500

The earth is a perfect sphere. 

true or false

False

500

What percent of the atmosphere is other gases?

a. 18% 

b. 55%

c. 60%

d. 1%

d. 1%

500

Earth’s tilt does not stay the same angle. 

True or False

True

500

The deepest point in earth to the highest point on earth is how many miles?

a. 11 miles

b. 13 miles

c. 5 miles

d. 30 miles

a. 11 miles 

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