Sun – Earth Survey answers and explanations

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Presentation transcript:

Sun – Earth Survey answers and explanations Let’s Review

Sun-Earth Survey Answers 1. A. The Earth’s orbit is close to circular, so our distance to the Sun does not vary much and does not affect our seasons. (We are actually closest in the beginning of Jan. and farthest the beginning of July) 2. C. is correct, because it most accurately represents the great distance between the Earth & Sun and the great difference in sizes of the two.

Sun-Earth Survey Answers Question 3: A = NOT correct. The Sun’s variation in energy output does not correlate with our seasons. B = NOT correct. The distance does not change very much and does not correlate with our seasons. C = NOT correct. Because we are a sphere, our tilting axis does not make us any closer/farther.

Sun-Earth Survey Answers Question 3: D = CORRECT! Because we are tilted towards the Sun in summer, we receive longer amounts of daylight which give us increased temperatures (Think – Activities 5 & 6) E = CORRECT! Because we are tilted towards the Sun in summer, the Sun is at a higher solar angle and therefore we receive more direct sunlight.

Sun-Earth Survey Answers Question 3: F = NOT correct. The Moon has nothing to do with our seasons. G = CORRECT! We do receive more hours of sunlight in June in the United States, therefore increasing our temperatures.