The Earth Quiz

Latin name for the Earth

Gas that makes up roughly 78% of the air in Earth's atmosphere

Process in which plants use light energy to convert water and carbon dioxide into glucose
and the oxygen that makes up 21% of the atmosphere

Earth's nickname that refers to its oceans

It is believed that this protoplanet crashed into Earth long ago, causing its 23.5° tilt and
forming the Moon

Term for a long period of cooler global temperatures

During the above, these massive compacted snow piles are created near the poles

Largest of Earth's 7 continents

Deepest part of the Pacific Ocean

Highest point above sea level (not overall, as the Earth bulges at its equator)

Mountain range where the above is located

Class of warm-blooded animals that includes humans, dogs, lions, elephants, and more

Massive reptiles that went extinct around 65 million years ago

Multinational space laboratory launched in 1998 that orbits 400 kilometers above Earth

English scientist who discovered the three laws of motion

Soviet cosmonaut on Vostok 1 who was the first person to leave Earth's atmosphere

Type of molecule that protects Earth's surface from most UV rays

The above is created in this layer of the atmosphere

Narrator of "Planet Earth" on the BBC

Geological epoch that we are currently living in