Podcast
Questions and Answers
What percentage of the Earth's atmosphere is composed of oxygen?
What percentage of the Earth's atmosphere is composed of oxygen?
- 10%
- 90%
- 50%
- 21% (correct)
What is the shape of the Earth?
What is the shape of the Earth?
- A prolate spheroid
- A perfect sphere
- An irregular shape
- An oblate spheroid (correct)
What is the difference between the Pole Diameter and the Equatorial Diameter of the Earth?
What is the difference between the Pole Diameter and the Equatorial Diameter of the Earth?
- 100 km
- 10,000 km
- 43 km (correct)
- 1,000 km
What is the term for the Earth's movement around the Sun?
What is the term for the Earth's movement around the Sun?
When is the Earth closest to the Sun in its orbit?
When is the Earth closest to the Sun in its orbit?
What are the two factors that contribute to the changing seasons on Earth?
What are the two factors that contribute to the changing seasons on Earth?
What is the longest day in the year?
What is the longest day in the year?
What is the term for a flat expanse of land that does not vary much in elevation and is mostly treeless?
What is the term for a flat expanse of land that does not vary much in elevation and is mostly treeless?
When is the beginning of autumn in the northern hemisphere?
When is the beginning of autumn in the northern hemisphere?
What is a raised part of the Earth's crust with steep slopes and visible bedrock?
What is a raised part of the Earth's crust with steep slopes and visible bedrock?
What is the term for a flat, high landform with at least one side that rises high above the surroundings?
What is the term for a flat, high landform with at least one side that rises high above the surroundings?
What is a fracture in a planet's crust that permits hot lava, volcanic ash, and gases to escape from a magma chamber below the surface?
What is a fracture in a planet's crust that permits hot lava, volcanic ash, and gases to escape from a magma chamber below the surface?