Podcast
Questions and Answers
What is the mass of Earth?
What is the mass of Earth?
Which of the following is not a primary component of Earth's chemical composition?
Which of the following is not a primary component of Earth's chemical composition?
What type of planetary motion is responsible for the changing seasons?
What type of planetary motion is responsible for the changing seasons?
What term describes the large scale movements of the Earth?
What term describes the large scale movements of the Earth?
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Which of the following was an early perspective of Earth's shape?
Which of the following was an early perspective of Earth's shape?
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Study Notes
Earth's Characteristics
- Earth's shape was once perceived as a flat board/an oyster.
- Mass: 5.98 x 1024 kg.
- Primarily composed of iron, oxygen, silicon, magnesium, sulfur, nickel, and calcium.
Planetary Motions
- Two types of movements:
- Large-scale movements
- Small-scale movements
- These movements cause Earth's position relative to the sun to change.
- This change is responsible for the changing seasons (day/night, winter/summer).
- These movements are revolution and rotation.
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Description
Explore the fascinating aspects of Earth's shape, composition, and its movements. This quiz covers the basics of how Earth's rotation and revolution affect our seasons and day/night cycle. Perfect for anyone interested in Earth sciences!
