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1. Far Space Review

Total questions: 35

Worksheet time: 58mins

Name
Class
Date
1.
What is the formula for Hubble's Law?
a)
V=H x d
b)
H= V x d
c)
d= H x V
d)
H= d/V
2.
What is on the y-axis in the Hubble's Law graph?
a)
Recessional velocity
b)
Distance
c)
Hubble's constant
d)
Proportionality constant
3.
What are the standard units for Hubble's constant?
a)
km/s
b)
seconds (or years)
c)
Mpc/km/s
d)
km/s/Mpc
4.
Where do you find H in the Hubble's Law graph?
a)
y-intercept
b)
x-intercept
c)
slope
d)
at the galaxy
5.
The distance light can travel in 1 year is called...
a)
Light Year
b)
Light Distance
c)
Space year
6.

The light from a star moving away from us would be experiencing:

a)

Redshift

b)

Blueshift

c)

Greenshift

d)

Whiteshift

7.

Which stars have the greatest red shift?

a)

Stars closest to Earth where we can see them better.

b)

Stars nearest the Sun where light is more plentiful.

c)

Stars farthest from Earth with the greatest speed.

d)

Stars in the nearest galaxy that are spinning.

8.

The leftover radiation from the beginning of the universe is known as ___________.

a)

Comic Micro Back Radiation

b)

Cosmic Radiowave Radiation

c)

Cosmic Microwave Retention

d)

Cosmic Microwave Background Radiation

9.

What can you tell about the orange dot's motion?

a)

Moving to the North (up).

b)

Moving to the South (down).

c)

Moving to the West (left).

d)

Moving to the East (right).

10.
The Doppler effect is seen when a wave-making source moves toward an observer. 
a)
True
b)
False
11.
A light year is a unit of
a)
time
b)
distance 
c)
mass
d)
density 
12.
What is a galaxy?
a)
a star and it's surrounding planets
b)
billions of stars held together by gravity
c)
the big bang
d)
a cluster of nebulas
13.
Our universe is
a)
expanding, but the pace is slowing
b)
expanding, and the rate is increasing
c)
static and unchanging
d)
contracting
14.
Hubble's law tells us
a)
galaxies closer to ours are moving away at a faster speed
b)
galaxies that are closer to ours are going to collide with ours 
c)
galaxies that are farther away move at a faster speed
d)
the universe is expanding and will soon stop
15.
In E=MC^2 what does C stand for?
a)
core
b)
speed of light
c)
carbon
d)
combustion
16.
In the famous equation E=MC^2 what does E stand for?
a)
energy
b)
electrons
17.

Which unit of measurement is used to measure distances within our solar system?

a)

inches

b)

kilometers

c)

miles

d)

Astronomical units

18.

What unit of measurement is used to calculate extreme distance in our universe?

a)

astronomical units

b)

kilometers

c)

light years

d)

parsecs

19.

What color of visible light has the longest wavelength?

a)

violet

b)

green

c)

blue

d)

red

20.

What kind of matter makes up you and me and all we can see?

a)

Special Matter

b)

Normal Matter

c)

Dark Matter

d)

Light Matter

21.

What did Kepler figure out about planets back in the 1600s?

a)

The further away from the Sun it was the faster it was moving

b)

All planets move the same speed no matter how far away from the Sun they are

c)

The closer a planet was to the Sun the slower it was moving

d)

The further away from the Sun it was the slower it was moving

22.

What was happening with the velocities of the objects furthest away from the center of the galaxy?

a)

They were moving faster

b)

They were moving slower as predicted

23.

How much invisible material must there be compared to the visible material to get the rotational graph right?

a)

3 or 4 times less

b)

5 or 6 times less

c)

3 or 4 times more

d)

5 or 6 times more

24.

What do we call the bending of light in space?

a)

Gravitational Lensing

b)

Mass lensing

c)

Space-Time warping

d)

Space-warping

25.
Which of the following supports the idea of dark matter?
a)
Many instances of detected WIMPS
b)
Dark blobs seen around galaxies.
c)
Lensing of light around galaxy clusters.
26.

What percent of the Universe is made of DARK MATTER?

a)

85%

b)

15%

c)

10%

d)

5%

27.

Dark Matter is passing through your body at this moment.

a)

true

b)

false

28.
Two asteroids exert a gravitational force, F, on each other. Some time later, the asteroids are now three times as far from each other as before. Which of the following represents the gravitational force at this distance? 
a)
F/3
b)
F/2
c)
F/6
d)
F/9
29.
What states that "every object in the universe attracts every other object"?
a)
Law of Universal Gravitation
b)
Newton's First Law of Motion
c)
My mother
d)
Inertia & gravity
30.
Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if the distance between them were doubled?
a)
9
b)
18
c)
72
d)
144
31.
What is the Universal law of gravitation equation? 
a)
G=F ⋅ m⋅m2/r2
b)
F=G ⋅ m⋅m2/(r)2
c)
F=G ⋅ r2/m⋅m2
d)
G=F ⋅ r2/m⋅m2
32.
Complete the following statement: The farther away two planets are the _______ the gravitational force between them.
a)
more
b)
same
c)
dosen't matter
d)
less
33.
Gravity is the force objects put on each other because of their ______.
a)
Mass
b)
Friendliness
c)
Acceleration
d)
Speed
34.

Which configuration will result in the greatest gravitational force?

a)

small masses far apart

b)

large masses far apart

c)

small masses close together

d)

large masses close together

35.
The moon and other satellites rotate around the earth. Identify the force that keeps these satellites in orbit.
a)
gravity
b)
friction
c)
a strong force
d)
electromagnetic force