The Solar System Quiz

The Solar System

• Composed of the Sun and smaller bodies that rotate on their axis and revolve around the Sun
• Includes planets like Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and satellites
• Pluto is no longer considered a planet as it is far from the Sun, small, and not visible
• Satellites are small bodies like planets rotating on their axis and revolving around larger planets
• The Moon is Earth's satellite
• Planets and satellites are held in place by the Sun's gravitational force
• Mercury is the closest planet to the Sun, while Neptune is the farthest
• Venus is the closest planet to Earth and is the brightest object in the night sky after the Moon
• Venus appears after sunset from March to October in the western sky and before sunrise from November to December in the eastern sky

The Earth

• The third planet from the Sun
• The fifth largest planet in terms of size
• The closest distance between Earth and the Sun is 147 million kilometers, observed in January
• The farthest distance is about 152 million kilometers away from the Sun, observed in July
• The only planet known to support life due to the presence of air and water

Spheres of the Earth

• Lithosphere: The outermost layer of the Earth, a solid surface composed of hills, mountains, continents, and islands
• Hydrosphere: The portion of Earth covered by water, including oceans, seas, lakes, rivers, streams, and ponds
• Atmosphere: The layer of air surrounding the Earth's surface, composed of gases, dust particles, and water vapor
  • Contains 78% nitrogen, 21% oxygen, and the remaining 1% consists of carbon dioxide, hydrogen, helium, ozone, and neon
  • Extends up to 1600 kilometers from the Earth's surface
• Biosphere: The region of Earth that encompasses all living organisms, such as plants, animals, and bacteria
  • Plays a crucial role in recycling nutrients like oxygen and nitrogen to sustain life on Earth
  • Provides food and raw materials for all living organisms

Key Facts

• Approximately 30% of the Earth's surface is covered by land
• Approximately 70% of the Earth's surface is covered by water

Test your knowledge about the Solar System, including the planets, satellites, and their relationships with the Sun. Explore interesting facts about each planet and learn why Pluto is no longer classified as a planet. This quiz will enhance your understanding of the celestial bodies that make up our solar neighborhood.