How Well Do You Know Our Earth?

How Well Do You Know Our Earth?

Test your knowledge on our amazing planet with these fun facts!

1. What is the hottest place on Earth?

a) The Sahara Desert 

b) Death Valley, California

2. What is the largest ocean on Earth?

a) The Atlantic Ocean 

b) The Pacific Ocean

3. What is the Earth's main source of energy?

a) Geothermal vents

b) The Sun

4. Mount Everest is the tallest mountain above sea level. Is it also the tallest mountain on Earth?

a) Yes

b) No

5. What percentage of Earth's surface is covered in water? 

a) 30% 

b) 70%

6. The Earth has a magnetic field. What is it mainly caused by?

a) The solid iron core

b) The liquid outer core

7. What is the name of the layer of the atmosphere that protects us from most harmful solar radiation?

a) The troposphere
b) The ozone layer

8. What is the driest desert in the world?

a) The Atacama Desert
b) The Gobi Desert

9. What is the largest living organism on Earth?

a) A blue whale
b) 

A giant fungus network

1 0. What causes the Aurora Borealis (Northern Lights)?

a) Reflection of sunlight off ice crystals

b) Charged particles from the sun interacting with Earth's atmosphere

11. Volcanoes erupt when molten rock escapes from within the Earth. What is this molten rock called?

a) Lava
b) Magma

12. The Earth spins on its axis. How long does it take to complete one spin?

a) 24 hours

b) 365 days

13. What is the thinnest layer of Earth's atmosphere?

a) The exosphere

b) The troposphere

14. The Earth has one moon. True or False?
a) True

b) False

15. What causes the Earth's seasons? 

a) The Earth's distance from the Sun
b) The tilt of Earth's axis

Answer Key:

1. b) Death Valley, California
2. b) The Pacific Ocean
3. b) The Sun
4. b) No (Mauna Kea, a mountain in Hawaii, is taller when measured from its base on the ocean floor)
5. b) 70%
6. b) The liquid outer core
7. b) The ozone layer
8. a) The Atacama Desert
9. b) A giant fungus network
10. b) Charged particles from the sun interacting with Earth's atmosphere
11. b) Magma (Lava is magma that has reached the surface)
12. a) 24 hours
13. a) The exosphere
14. b) False (Earth has several small moons)
15. b) The tilt of Earth's axis.                                      
    Images sources from Google images