Question 1

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

Accepted Answer

Eratosthenes

Answer

Anaxagoras

Answer

Pythagoras

Question 2

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

Accepted Answer

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

Answer

It will become bigger and bigger.

Answer

It will not change its size

Answer

It will become smaller and smaller until it disappears.

Question 3

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?

Accepted Answer

Syene and Alexandria

Answer

Alexandria and Cairo

Answer

Syene and Cairo

Answer

Cairo and Babylon

Question 4

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

Accepted Answer

no sunlight is illuminating the Moon

Answer

it is above the horizon during the daytime

Answer

it is obscured by the Earth's shadow

Answer

a new moon is quite near the Sun in the sky

Question 5

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

Accepted Answer

29.5

Answer

31.5

Answer

27.9

Answer

25.9

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