Ch. 18 vocabulary review

Which of the following is the result of the rotation of Earth?

• Cloud formation
• Day and night
• The seasons
• Weather

What causes the seasons of the year?

• The tilt of Earth on its axis
• The rotation of the Moon around Earth
• The spinning of Earth on its axis
• The northern and southern hemisphere

The spinning of an object on its axis is called______

• orbit
• rotation
• revolution
• tide

The study of celestial objects

• gibbous
• phases
• astronomy
• penumbra

The model that shows that the sun is the center of the solar system.

• geocentric
• heliocentric
• retrograde
• elliptical

The diagram represents which model of the solar system?

• heliocentric
• geocentric
• retrograde motion
• elliptical orbit

What theory of the Universe did Ptolemy believe in? 

• Geocentric theory
• Vergocentric theory
• Heliocentric theory
• Alphamanic theory

His model of the Earth-centered universe was the cornerstone of astronomy for 1,500 years

• Claudius Ptolemy
• Nicolaus Copernicus
• Charles Messier
• Galileo Galilei

Began a new era of astronomy when he concluded that the Sun was the center of the universe

• Aristotle
• Isaac Newton
• Claudius Ptolemy
• Nicolaus Copernicus

Built an observatory and made the most accurate astronomical observations for more than 20 yrs.

• Giovanni Cassini
• Tycho Brahe
• Hipparchus
• Isaac Newton