Planet Earth Quiz

Earth Overview

• Earth is the third planet in the Solar System.

Earth's Shape and Composition

• Earth is approximately spherical in shape.
• The inner core of Earth is composed of solid iron and nickel.

Water Coverage

• About 71% of Earth's surface is covered by water.

Earth's Magnetic Field

• The primary function of Earth's magnetic field is to protect the planet from harmful solar and cosmic radiation.

Earth's Satellite

• Earth has one natural satellite, which is the Moon.

Earth's Nearest Neighbor

• Venus is Earth's closest neighbor in the Solar System.

Earth's Nickname

• Earth is called the 'Blue Planet' due to the large amount of water that covers its surface.

Ozone Layer

• The primary role of the Ozone layer in Earth's atmosphere is to absorb and shield the planet from harmful ultraviolet radiation.

Landmass Coverage

• About 29% of Earth's surface is covered by islands and continents.