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Earth Science

QuestionAnswer
An observer watching a sailing ship at sea notes that the ship appears to be "sinking" as it moves away. Which statement best explains this observation? The earth has a curved surface
According to the Earth Science Reference Tables, the equatorial radius of the Earth is approximately 6370 km
At which location would an observer find the greatest force due to the Earth's gravity? North Pole
Which statement provides the best evidence that the Earth has a nearly spherical shape? The altitude of Polaris(N. Star) changes with the observer's latitude in the Northern Hemisphere.
The latitude of a point in the Northern Hemisphere may be determined by measuring the altitude of Polaris
If the deepest parts of the ocean are about 10 kilometers and the radius of the Earth is about 6400 kilometers, the depth of the oceans would represent what percent of the the Earth's radius? less than 1% *NOTE FIND THIS FORMULA
*The true shape of the Earth is best described as a slightly oblate sphere
Created by: kserafin
 

 



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