Models of the Universe

1.       Which time of the day did Eratosthenes measure the angle of the shadow during the summer solstice?

• At Sunday morning

•    At night

• At day light

• At noon

2.       What Greek evidence helps prove that the shape of the Earth is spherical?

• They notice the curve shadow of Earth on Sun during Solar Eclipse.

• The travelers discovered that they saw different constellation as they traveled north or south.

• The merchant saw the shadow in a distance when they travel.

• The ship became larger and then its hull disappeared first become sail.

3. Which aided Eratosthenes in measuring the Earth’s circumference?

• The appearance of the starts differs when travelling from north to south.

• The shadow cast within the Syene and Alexandria during the solstice.

• A sphere is the only shape that cast a circular shadow in whatever direction.

• The shadow cast by the Earth during a lunar eclipse is circular.

4.       What is the angle of shadow that was casted as the sun rays fell in the city of Alexandria during the summer solstice?

• 7.1º

•   7.2º

•   7.3º

•   7.4º

5. Which is TRUE about Zodiac and Ecliptic?

•      A band of twelve constellations collectively called zodiac can be seen in the ecliptic.

•   A band of twelve constellation collectively called zodiac can’t be seen in the ecliptic.

• Zodiac sign is an imaginary line on the sky that marks the path of the sun

• Ecliptic is a belt- shaped region of the sky that extents approximate 8 degree north or south of the zodiac.

6.       What kind of Eclipse did Greek observe that helps them to predict about the Earth’s shape?

 

• Solar Eclipse

•   Annual Eclipse

• Total Eclipse

• Lunar Eclipse

 

7.       What astronomical event that occurs when an astronomical object or spacecraft is temporarily passing into the shadow of another.

•    Precession

• Solstice

•    Eclipse

• Equinoxes

 

8.       Which of the following is an example of an annual motion?

• Moon rise

• Sunset

• Movement of stars from east to west

• Vernal Equinoxes

9.       Who proposed that the moon and the sun revolve around Earth and all other planets revolve around the Sun known as Geo-Heliocentric Model?

• Johannes Kepler

•   Claudius Ptolemy

• Aristotle

• Tycho Brahe

10.    How did Johannes Kepler used Tycho Brahe’s work?

•   To cast the shadows within the Syene and Alexandria during the solstice.

•   In calculating the circumference of the Earth

• To formulate the three laws of planetary motion.

• To proposed that the Sun is the center of the Universe.