Because of differential rotation the sun rotates...

slower at the equator than at the poles

hot gas rises and cold gas sinks

Heliocentric model of the solar system states that...

The Earth and all planets orbit the sun

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Unit 2 Lessons 1-3: The Solar System

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Reviews history of the solar system, gravity and orbits, and the reactions and layers of the sun.

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Questions 15

Answers

1
German mathematician who created 3 principals for planetary motions, incuding elliptical orbits
Copernicus
Ptolemy
Galileo
Kepler
2
Because of differential rotation the sun rotates...
slower at the poles than at the equator
at the same rate at both the poles and equator
on two axis
slower at the equator than at the poles
3
During convection...
energy is transferred as electromagnetic waves
hot gas rises and cold gas sinks
hot gas is denser than cold gas
cold gas rises and hot gas sinks
4
Which astronomers believed the solar system was geocentric?
Galileo
Copernicus
Ptolemy
Aristarchus
5
Heliocentric model of the solar system states that...
The Earth and all planets orbit the sun
The sun and planets orbit the Earth
The sun is the center of the universe
The Earth is the center of the solar system
6
The force of attraction between two objects is called
convection
centripetal force
inertia
gravity
7
When the Earth is farthest from the sun, it is in
perihelion
aphelion
winter
spring
8
Which layer of the sun is hot enough to produce nuclear reactions?
coronoa
chromosphere
core
photosphere
9
Energy is generated in the sun through
convection
radiation
nuclear fission
nuclear fusion
10
Newton's law of universal gravitation says that the force of gravity...
decreases as mass increases
increases as mass increases
decreases as objects are closer together
increases as distance apart increases
11
Which astronomer proposed a "wheels on wheels" model of the solar system?
Kepler
Aristotle
Ptolemy
Copernicus
12
Which scientist used the moons of Jupiter to support a heliocentric model of the solar system?
Aristarchus
Aristotle
Galileo
Copernicus
13
Each planet orbits the sun in an ellipse with the sun at one focus.
Kepler's 2nd Law
Newton's 1st Law
Kepler's 1st Law
Kepler's 3rd Law
14
As a planet moves around its orbit, it sweeps out equal areas in equal times...
Kepler's 1st Law
Kepler's 2nd Law
Newton's 1st Law
Kepler's 3rd Law
15
The region of the sun where energy is transfered away from the core by radiation...
convective zone
chromosphere
core
radiative zone

Unit 2 Lessons 1-3: The Solar System Flashcards | StudBud