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5 questions
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  • Q1

    1. Which of the following ancient Greek philosophers computed for the circumference of the Earth?    

    Anaxagoras

    Eratosthenes

    Eratosthenes

    Pythagoras

    15s
    S11/12PS -IVa -38
  • Q2

    Which of the following can be observed of a cruising ship if the Earth is a flat disc?  

    It will become bigger and bigger.

    It will not change its size

     It will become smaller and smaller until it disappears.

    It will shrink then only the sail will be visible until it completely disappears.

    15s
    S11/12PS -IVa -38
  • Q3

     Erastothenes compared this two locations in Egpyt in which stated that a vertical object did not cast any shadow at noontime during the summer solstice on one part and cast a  7.2 degrees shadow at noontime where he was staying. What are this two cities?  

    Alexandria and Cairo

    Syene and Cairo

     Cairo and Babylon

    Syene and Alexandria

    15s
    S11/12PS -IVa -38
  • Q4

    We cannot see a new moon in our sky because _________. 

    it is above the horizon during the daytime

    it is obscured by the Earth's shadow

     a new moon is quite near the Sun in the sky

    no sunlight is illuminating the Moon

    15s
    S11/12PS -IVa -4
  • Q5

    How many days is it from one full moon to the next full moon?

    29.5

    31.5

     27.9

    25.9

    15s
    S11/12PS -IVa -4

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