What did Galileo observe as evidence of a heliocentric solar system?

Jupiter has moons revolving around it.

Which best describes the solar system?

the sun and all bodies that orbit it

What role does gravity play in the formation of the sun?

solar nebula collapsed causing the center to be hot & dense

Which flow chart best describes the formation of the solar system?

Nebula, protostellar disk, fusion, sun, planetesimal, planet

a force of attraction between objects due to their mass

Which statement is true according to Newton's Law of Gravitation?

When distance increases, gravitational force decreases.

What is Kepler's second law?

as a planet gets closer to the sun the speed increases.

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Mrs. Fest's Historical Models Review

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A science quiz to learn about the historical models of the solar system and how the solar system formed.

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Questions 18

Answers

1
Which phrase best describes a geocentric solar system?
a circular, orbital path
existing in a star system
the sun is the center point
earth as a center point
2
Which scientist explained why there was NO visible parallax because the stars were so far away.
Ptolemy
Aristachus
Kepler
Copernicus
3
What did Galileo observe as evidence of a heliocentric solar system?
Jupiter has moons revolving around it.
All celestial bodies orbited the sun
All celestial bodies orbited earth
Planet have elliptical orbits?
4
Which best describes the solar system?
the sun and all bodies that orbit it
planets and asteroids
the sun and all the planets
planets and their moons
5
What role does gravity play in the formation of the sun?
small particles collided to form planetesimals then the sun
the protoplanetary disk formed a solar nebula then a sun
the protoplanetary disk became a planetesimal then a sun
solar nebula collapsed causing the center to be hot & dense
6
Which flow chart best describes the formation of the solar system?
Nebula, protostellar disk, fusion, planetesimal, planet, sun
protostellar disk, fusion, sun, nebula, planetesimal, planet
Nebula, protostellar disk, fusion, sun, planetesimal, planet
Nebula, fusion, sun, planet, planetesimal, protostellar disk
7
What is the shape of a planet's orbit?
perihelion
sphere
ellipse
circle
8
What is gravity?
a cloud of gas/dust from which the solar system formed
point in orbit which the planet is the farthest from the sun
unbalanced force that makes objects move in an ellipse
a force of attraction between objects due to their mass
9
Which statement is true according to Newton's Law of Gravitation?
When mass increases, gravitational force decreases.
When the mass decreases, the distance decreases.
When distance decreases, gravitational force decreases.
When distance increases, gravitational force decreases.
10
Which term describes a small body from which a planet forms?
solar nebula
planetesimal
orbit
protoplanetary disk
11
Whose geocentric model of the solar system was accepted for 1400 years?
Copernicus
Aristotle
Kepler
Galileo
12
How did Copernicus describe the motion of the sun?
The sun moves in an elliptical orbit
The sun is stationary
The sun revolves around the earth?
The sun moves in a straight line through space
13
Who replaced circles with ellipses in a heliocentric model?
Galileo
Kepler
Copernicus
Aristotle
14
Who first observed the Phases of Venus and Moons of Jupiter?
Galileo
Kepler
Copernicus
Aristotle
15
Kepler's 1st law states which object must be located at one of the foci of the ellipse?
sun
venus
moon
earth
16
Whose heliocentric model was the first step in the development of modern solar system models?
Aristotle
Galileo
Kepler
Copernicus
17
What is the apparent shift in the position of an object when viewed from a different location?
ellipses
revolution
axis of rotation
parallax
18
What is Kepler's second law?
the orbit of a planet is an ellipse
p2 (yrs.) =a3 (AU)
as a planet gets closer to the sun the speed increases.

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