Podcast
Questions and Answers
What is the average velocity of Earth as it orbits the sun?
What is the average velocity of Earth as it orbits the sun?
What is the distance between Earth and the sun on average?
What is the distance between Earth and the sun on average?
How often does Earth rotate on its axis?
How often does Earth rotate on its axis?
What is the tilt of Earth's axis of rotation away from the plane of its orbit around the sun?
What is the tilt of Earth's axis of rotation away from the plane of its orbit around the sun?
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In which season does the hemisphere tilted closer to the sun experience?
In which season does the hemisphere tilted closer to the sun experience?
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Study Notes
Unit 2: Uniqueness of the Earth as a Habitat for Living Beings
Overview of the Earth
- We live on the planet called Earth.
- Earth is also known as the Blue Planet.
Characteristics of the Earth
- Three special characteristics of the planet Earth:
- Rotation period: 24 hours
- Rotation speed: 1,674 km/h
- Revolution period: 365.25 days
- Revolution speed: 29.78 km/s
- Distance from the sun: 149.6 million km
Sun's Radiation
- It takes approximately 8 minutes and 20 seconds for the sun's radiation to reach the Earth.
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Description
Test your knowledge about the unique characteristics of planet Earth as a habitat for living beings in this Grade 8 geography quiz from Nalanda Vidyalaya, Colombo. Questions cover topics such as the name of our planet, why it is called the blue planet, and special characteristics of Earth.
