WorksheetsGalaxies Review
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Huge collection of stars, gas, and dust the travel together through space and is held together by gravity
a)
Galaxies
b)
Milky Way
c)
Geocentric Model
d)
Heliocentric Model
2.
What type of galaxy is pictured?
a)
Spiral Galaxy
b)
Elliptical Galaxy
c)
Irregular Galaxy
3.
What type of galaxy is pictured?
a)
Irregular Galaxy
b)
Elliptical Galaxy
c)
Spiral Galaxy
4.
What type of galaxy is pictured?
a)
Spiral Galaxy
b)
Irregular Galaxy
c)
Elliptical Galaxy
5.
What type of galaxy is the Milky Way?
a)
Elliptical Galaxy
b)
Spiral Galaxy
c)
Irregular Galaxy
6.
Which model is pictured?
a)
Geocentric Model
b)
Heliocentric Model
c)
Solar System
d)
Milky Way
7.
Which model is pictured?
a)
Heliocentric Model
b)
Milky Way
c)
Solar System
d)
Geocentric Model
8.
What is the main difference between the heliocentric and geocentric models?
a)
In the Geocentric Model everything revolves around the Earth, and in the Heliocentric Model everything revolves around the Sun
b)
In the Heliocentric Model everything revolves around the Earth, and in the Geocentric Model everything revolves around the Sun
c)
In the Geocentric Model everything revolves around the Earth, and in the Heliocentric Model everything revolves around the Moon
d)
There is no difference between the two models
9.
Who first proposed that the Earth was the center of our Solar System?
a)
Tycho Brahe
b)
Johannes Kepler
c)
Galileo Galilei
d)
Aristotle
10.
Who proved that the Geocentric Model was incorrect, and later proposed that the Sun and the Moon orbit around the Earth, and the other planets orbit around the Sun?
a)
Aristotle
b)
Johannes Kepler
c)
Tycho Brahe
d)
Galileo Galilei
11.
Who made great advancements to our telescope which helped him be the first to see various things in outer space?
a)
Galileo Galilei
b)
Aristotle
c)
Johannes Kepler
d)
Tycho Brahe
12.
Who used data from Tyco Brahe to develop the Planetary Laws of Motion?
a)
Tycho Brahe
b)
Johannes Kepler
c)
Galileo Galilei
d)
Aristotle
13.
The distance that light travels in one year (9.46 × 10¹²)
a)
Parallax
b)
Light Year
c)
Leap Year
d)
Year
14.
The light we see from objects in the sky are from the past
a)
True
b)
False
15.
The further away an object is, the older the light is that we are receiving from it
a)
False
b)
True
16.
What method do astronomers use to determine how far away stars are?
a)
Parallax Shift
b)
Parallax
c)
Light Year
d)
Position of an object
17.
Galaxies can change shape over time from various factors
a)
True
b)
False
18.
____________ is spherical in shape or looks like a flattened disk (flattened ball)
a)
Irregular Galaxy
b)
Elliptical Galaxy
c)
Spiral Galaxy
19.
____________ has no definite shape
a)
Elliptical Galaxy
b)
Spiral Galaxy
c)
Irregular Galaxy
20.
____________ has spiral arms that branch from the nucleus (center of the galaxy)
a)
Spiral Galaxy
b)
Irregular Galaxy
c)
Elliptical Galaxy
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