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Astronomy Chpt. 22.1 Review A

Test Description: Early Astronomy - Earth Science

Instructions: Answer all questions to get your test result.

1) Who determined that Earth is round because it cast a shadow on the moon during a lunar eclipse?

AErastosthenes BGalileo CAristotle DPlato

2) The first person to actually calculate the circumference of the Earth was

AErastosthenes BAristotle CNewton DGalileo

3) The ancient Greek model of the universe in which the Earth and other planets orbit the sun is best described as the

AHeliocentric Model BGeocentric Model CGalilean System DPtolemaic System

4) The Greek model of the universe in which the moon, sun and known planets (Mercury, Venus, Mars and Jupiter) orbit Earth is the

AHeliocentric Model BGeocentric Model CPtolemaic System DGalilean System

5) Over a period of time, viewing Mars from Earth, Mars appears to move eastward among the stars. Then, periodically it appears to stop and reverse direction. This apparent motion is called

Ageocentric motion. Ba wandering planet. Cretrograde motion. Dgravitational attraction.

6) Which model had the planets moving in circular orbits around a motionless Earth?

Athe Ptolemaic System Bthe Galilean System Cthe Geocentric Model Dthe Heliocentric Model

7) Nicholas Copernicus proposed a model of the solar system with

Athe moon at the center. Bthe Mars at the center. Cthe sun at the center. Dthe Earth at the center.

8) One of the three laws of planetary motion that Johannes Kepler discovered is best described as

Athe orbits of the planets are elliptical. Bthere is no relationship between a planet's orbital period and its distance to the sun Cplanets revolve around the sun at the same speed. Dthe inner plantes revolve around the sun at a slower speed than the outer planets

9) Who discovered (1)4 moons orbiting Jupiter (2)Venus has phases like our moon (3)sun has sunspots

ASir Isaac Newton BGalileo Galilei CTycho Brahe DJohannes Kepler

10) Who formulated and tested the law of universal gravitation which states (1)gravitational force decreases with distance (2)greater the mass of an object, greater its gravitational force

AAristotle BSir Isaac Newton CGalileo DTycho Brahe

*select an answer for all questions

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