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Astronomy Unit

Total questions: 56

Worksheet time: 29mins

Name
Class
Date
1.
What Model is where the sun is the center of the universe?
a)
Geocentric
b)
Heliocentric
c)
Earth's rotations
d)
Earth's planets
2.
  What does "geo-" mean?
a)
Earth
b)
sun
c)
Center
3.
This image shows the:
a)
Geocentric Solar System
b)
Heliocentric Solar System
4.

What two forces affect gravity?

a)

mass and inertia

b)

mass and distance

c)

mass and force

d)

mass and weight

5.
What forces cause a planet to orbit?
a)
gravity and orbit
b)
gravity and inertia
c)
gravity and mass
d)
gravity and weight
6.
Which planet has the greatest attraction to the sun?
a)
Mercury
b)
Venus
c)
Earth
d)
Mars
7.

 
Which force in the Solar System is similar to the tension in the string?
a)
Friction
b)
Inertia
c)
Force
d)
Gravity
8.
Every object in the universe attracts each other is called
a)
Newton's 1st law of motion
b)
Inertia
c)
Newton's Law of Gravitational Attraction
d)
Friction
9.
When riding your bike and you brake suddenly, you keep going forward because of
a)
inertia
b)
gravity
c)
friction
d)
speed
10.
What is this?
a)
Jupiter
b)
Saturn
c)
Earth
d)
Neptune
11.
What is this?
a)
jupiter
b)
saturn
c)
uranus
d)
neptune
12.
What is this?
a)
jupiter
b)
saturn
c)
uranus
d)
neptune
13.
What is this?
a)
mercury
b)
venus
c)
earth
d)
mars
14.
What is this?
a)
asteroid
b)
comet
15.
The belt between Mars and Jupiter
a)
Comets
b)
Asteroids
c)
Meteors
d)
Stars
16.
They are sometimes called shooting stars
a)
interplanetary dust
b)
asteroids
c)
comets
d)
meteors
17.
Which of the following bodies are MOST alike in composition and size?
a)
Earth and Venus
b)
Uranus and Neptune
c)
asteroid and comet
d)
meteor and asteroid
18.
Sometimes I am called a "dirty snowball". I have a hydrogen cloud, coma, and a nucleus. I am invisible except when near the sun. What am I?
a)
Asteroid
b)
Star
c)
Meteor
d)
Comet
19.
The tail of a comet usually faces
a)
toward the sun
b)
toward the Earth
c)
away from the Sun
d)
away from the Earth
20.
We are composed mainly of rock and metal.
a)
comets and stars
b)
stars and meteors
c)
asteroid and meteors
d)
comets and asteroid
21.
I am a rock entering a planet's atmosphere.
a)
meteor
b)
meteorite
c)
asteroid
d)
comet
22.
what is the comets tail made out of? 
a)
gases
b)
dust 
c)
all of the above ^
d)
ice
23.
What do comets orbit
a)
The Stars
b)
The Planets
c)
The Sun
d)
Cupcakes
24.
Where do comets originate from?
a)
our imagination
b)
the sun
c)
The Oort Cloud and Kuiper belt 
d)
unicorn landia  
25.
Burns and vaporizes as it nears the sun.
a)
asteroid
b)
meteoroid
c)
comet
d)
meteorite
26.
What is the very core of a comet called?
a)
Coma
b)
Comet
c)
Nucleus
d)
Hydrogen Cloud
27.
When a meteor hits Earth, what is it called?
a)
meteorite
b)
meteroid
c)
meteor
28.
What is a meteor called when it's in space?
a)
meteroid
b)
meteor
c)
meteorite
29.
Which is NOT a type of galaxy?
a)
Elliptical
b)
Spiral
c)
Oblong
d)
Irregular
30.
What shape is the Milky Way galaxy?
a)
Elliptical
b)
Spiral
c)
Irregular
31.
Where is our Solar System located in the Milky Way galaxy?
a)
Near the center
b)
Near the outside on one of the arms
32.
What is the best evidence for the Big Bang theory?
a)
How fast light can travel
b)
The expansion of the Universe
c)
Creation of new planets
33.
Red Shift means
a)
galaxies are moving towards each other
b)
galaxies are moving away from each other
34.
In ____shift, the galaxies appear _____ in color b/c they are moving away from us.
a)
blue; red
b)
red; red
c)
red; blue
d)
blue; blue
35.

Where is the center of the universe located?

a)

There is no center of the universe.

b)

At the center of the Milky Way galaxy.

c)

14.5 billion light years away from Earth.

d)

In a large singularity near the Andromeda Galaxy.

36.

What is one major piece of evidence that the Big Bang theory is correct?



a)

a. Astronomers have detected leftover radiation from the Big Bang

b)

b. Everything in the universe has remained in the same location for billions of years

c)

c. Astronomers have discovered that the universe is no longer expanding

d)

d. Astronomers have discovered evidence that the universe will soon begin contracting in a "Big Crunch"

37.
The three pieces of evidence for our current theory of the universe are:
a)
blueshift, CMB, moon landing.
b)
redshift, IBM, Andromeda galaxy.
c)
redshift, CMB, distribution of elements.
d)
doppler effect, light spectra, fusion.
38.
The CMB is:
a)
the remaining energy from the big bang.
b)
incredibly hot.
c)
visible to the human eye.
d)
only located in certain places in the universe.
39.
CMB stands for:
a)
Colorful Mystic Background Rehearsal.
b)
Cosmic Mini Butterfly Repellent.
c)
Cosmic Microwave Background Radiation.
d)
Cute Microwave Button Reversal.
40.
This is a picture of:
a)
The CMB.
b)
The Milky Way.
c)
The universe in the future.
d)
A redshifted star.
41.
What best describes the doppler effect?
a)
An apparent change in frequency of a wave due to the relative motion between a wave source and an observer
b)
When sound changes pitch
c)
When light changes color
d)
An apparent change in the amplitude of a wave due to the relative motion between a wave source and an observer.
42.
If a star is being observed from Earth and it's light has shifted towards the blue side of the electromagnetic spectrum it would be...
a)
Moving towards the Earth
b)
Moving away from the Earth
c)
This is a trick question that cannot be answered
d)
It isn't a star, it is a very large blueberry.
43.
The vast majority of galaxies in our universe are moving away from us.  We know this because we observe __________ in the galaxies absorption spectra.
a)
Redshift
b)
Blueshift
c)
Turbulance
d)
Superposition
44.

This scientist improved the telescope and proved the Sun-centered model of the solar system to be correct. He was placed under house arrest.

a)

Copernicus

b)

Ptolemy

c)

Aristotle

d)

Galileo

45.

Discovered 4 moons of Jupiter, sunspots, and much more.

a)

Galileo Galilei

b)

Aristotle

c)

William Herschel

d)

Claudius Ptolemy

46.

First to say that planets orbit in an elliptical path, not circular.

a)

Kepler

b)

Newton

c)

Galileo

d)

Copernicus

47.
True or False
The Earth is the center of the solar system.
a)
True
b)
False
48.
What is a common characteristic of the inner planets?
a)
Large
b)
Gaseous
c)
Rings
d)
Rocky Surface
49.
What is NOT a common characteristic of the outer planets?
a)
Gaseous
b)
Giant
c)
Rings
d)
Smaller than Earth
50.
True or False
The planets are not lined up in a perfectly straight line
a)
True
b)
False
51.
Which planet has iron in its soil and is the red planet?
a)
Mercury
b)
Venus
c)
Earth
d)
Mars
52.
Which planet is Earth's sister planet?
a)
Mercury
b)
Venus 
c)
Earth
d)
Mars
53.
Which planet rotates to give day/night every 24 hours?
a)
Mercury
b)
Venus
c)
Earth
d)
Mars
54.
Which planet has hurricanes and one large one that makes up the Great Red Spot?
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
55.
The order of the planets is:
a)
Mars,Venus,Earth,
Mercury,Saturn
Jupiter, Uranus, Neptune
b)
Earth,Venus,Mars
Jupiter, Neptune,
Mercury,Saturn,
Uranus
c)
Mercury,Venus,Earth
Mars,Jupiter,
Saturn,Uranus
Neptune
56.
The inner planets are also called...
a)
terrestrial planets
b)
gas giants