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WorksheetsMODEL SOLAR SYSTEM
Total questions: 20
Worksheet time: 9mins
Who discovered the shape of a planet's orbit is actually an ellipse?
Ptolemy
Copernicus
Kepler
Galileo
The greatest difference between the heliocentric model and the geocentric model of the solar system is whether the Earth or the Sun _____.
has a greater gravitational pull.
is located at the center of the solar system.
was formed first in the history of the universe.
provides more energy.
Which two astronomers supported the heliocentric theory?
Copernicus and Galileo
Copernicus and Aristotle
Aristotle and Ptolemy
Galileo and Ptolemy
Galileo was the first astronomer to use a _____________ to support his theory whether the Earth or Sun was the center of the solar system.
microscope
star chart
telescope
camera
Which theory does the model show?
heliocentric
geocentric
True or False: According to Galileo, our solar system is the only one in the universe.
true
false
What galaxy is our solar system a part of?
(a)
