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Formation of Planetary Systems Review

Total questions: 85

Worksheet time: 48mins

Name
Class
Date
1.
The theory that explains the formation of the solar system is called ____.
a)
Nebulis Theory
b)
Nebular Theory
c)
Big Bang Theory
d)
Big Nebulan Theory
2.
Planets move in elliptical orbits is Kepler's _____ Law.
a)
1st
b)
2nd
c)
3rd
d)
4th
3.
Planets that are farther from the sun have larger orbits is Kepler's ___ Law.
a)
1st
b)
2nd
c)
3rd
d)
4th
4.
What is the shape of a planet's orbit?
a)
circular
b)
elliptical
c)
spherical
d)
round
5.
Line drawn from the sun to planet sweeps out equal areas in equal time is Kepler's _____ Law.
a)
1st
b)
2nd
c)
3rd
d)
4th
6.
The average distance between the Earth and the sun is a(n) ____.
a)
light year
b)
light minute
c)
astronomical year
d)
astronomical unit
7.
Kepler's 2nd Law states that a planet's velocity is ____ when farther from the sun.
a)
fastest
b)
slowest
c)
unchanged
d)
the same
8.
The __________ has planets, moons, comets, and asteroids.
a)
solar system
b)
earth
c)
rotation
d)
United States
9.
the planets of the solar system formed as 
a)
the center of the gas cloud cooled
b)
planetesimals flattened into a rotating disk
c)
planetesimals collided into one another
d)
the sun absorbed extra gas and dust from the solar system
10.
How long ago was our sun formed?
a)
10 million years ago
b)
5 million years ago
c)
4.5 billion years ago
d)
2 billion years ago
11.
What force acted on the massive nebula to collapse it and eventually form our sun?
a)
electrostatic force
b)
strong force
c)
 weak force
d)
gravity
12.

The major steps in the formation of the Solar System based on the Nebular Theory are: Cloud collapse, formation of the protoplanetary disk, and ______________________

a)

growth of planets

b)

birth of star

c)

galaxy formation

d)

supernova

13.
Which two forces keep the planets in orbit around the sun?
a)
inertia & momentum
b)
gravity & inertia
c)
inertia & velocity
d)
gravity & velocity
14.
If a planet is closer to the sun, its orbit will be _____ than one farther away. 
a)
longer
b)
slower
c)
bigger
d)
shorter
15.
The average distance between the Earth and the sun is a(n) ____.
a)
light year
b)
light minute
c)
astronomical year
d)
astronomical unit
16.

What is the fuel for the sun's energy?

a)

The fusion of hydrogen atoms into helium

b)

The gravitational pull on the planets

c)

Solar wind

d)

The nebulae

17.

Where in our solar system would you expect to find a planet that is mostly made of gas?

a)

very close to the sun

b)

outside of the sun's gravitational pull

c)

very far from the sun

d)

very close to other planets

18.

What process created the plantesimals (the young version of our planets)?

a)

Accretion of particles in the solar nebula

b)

Gravitational pull between the sun and the planets

c)

The solar wind that blew dust to the outer edge of the solar system

d)

Nuclear fusion

19.

Where would you expect to find a planet that is small, dense, and rocky?

a)

close to the sun

b)

outside of the sun's gravitational pull

c)

far away from the sun

d)

close to the gas planets

20.

Which letter in this diagram shows our modern solar system with planets orbiting around the sun?

a)

a

b)

b

c)

c

d)

d

e)

e

21.

What word can we use to describe planets that are in the process of forming through accretion?

a)

planetesimals

b)

dwarf planets

c)

asteroids

d)

meteors

22.

When the sun formed, it blew most of the gasses towards the edges of the solar system. What evidence of this do we see today?

a)

the gas planets are very close to the sun

b)

the gas planets are very far from the sun

c)

there is no gas at all on planets close to the sun

d)

there is a huge nebula of gas on the edge of our solar system

23.
What do the first four outer planets have in common? 
a)
They are much larger than Earth and are made mainly of Hydrogen and Helium 
b)
The are about the same size as Earth and are mostly made of Hydrogen and Helium
c)
They are must larger than Earth and are mainly made of iron
d)
They are the same size as Earth and are mainly made of iron
24.
A force of attraction between any two objects is called _____________.
a)
static electricity 
b)
rotation
c)
gravity
d)
orbit
25.

Arrange the following distances in order from smallest to largest.

Kilometer

Light-year

Yard

Astronomical unit

a)

Yard, Astronomical unit, light year, Kilometer

b)

Yard, light year, Kilometer, Astronomical unit

c)

Yard, Kilometer, Astronomical unit, light year

26.

A light year is the ______________ light travels in a ____________. It is used to measure _____________ in space.

a)

Distance, Year, Distances

b)

Year, Distance, Distances

c)

Distance, Distance, Year

27.

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

a)

inches

b)

kilometers

c)

miles

d)

Astronomical units

28.

The distance light can travel in one year is ______________

a)

15,000 kilometers

b)

1 light-year

c)

15 Astronomical Units

d)

6,000 miles

29.

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

a)

astronomical units

b)

kilometers

c)

light years

d)

parsecs

30.

True or False: The universe is expanding.

a)

True

b)

False

31.

True or False: Scientist still consider the sun the center of the universe

a)

True

b)

False

32.
Speed is equal to 
a)
Distance/Time
b)
Time/Distance
c)
Time x Distance
d)
Acceleration
33.

Which graph shows the object starting near 0 or at home?

a)
b)
c)
d)
34.

Which graph shows the object changing directions?

a)
b)
c)
d)
35.

Which graph (if any) shows the object moving at a constant speed, stopping, and then continuing to movie in the same direction?

a)
b)
c)
d)
e)

none of these

36.

What is a plausible description of this graph?

a)

The object began moving away quickly at a constant speed. It stopped. It then turned to return at a constant speed.

b)

The object changed diections three times.

c)

The object began walking away slowly then began running away. Both were at constant speeds. It then turned and walked back to where it started.

d)

The object began moving away at a constant speed. It continued moving away, but slowed its speed. It then turned around and returned home at a speed that was probably in between the first two speeds.

37.

What is a plausible story for this graph?

a)

A student was jogging from school to home. She stopped to tie her shoe and take a drink from her water bottle, then continued at the same pace as before.

b)

A student was jogging from school to home. She walked for a while, then continued jogging.

c)

A sled rider was going down a hill. The hill was steep at first, then kind of flat. At the end, it was steep again.

d)

A car was slowing down, then contued moving at a constant rate. Finally, it slowed to a stop,

38.

All of the following graphs indicate a change in direction. Which graph show the object resting the most?

a)
b)
c)
d)
39.

Which graph shows the object moving the fastest when it first begins moving?

a)
b)
c)
d)
40.

Which of these graphs do not show the object staying still?

a)
b)
c)
d)
41.
The picture of the position vs. time graph shows an object that is...
a)
accelerating/speeding up
b)
moving at a constant speed 
c)
not moving 
d)
accelerating/slowing down. 
42.

At what point is the speed the greatest?

a)

C-D

b)

B-C

c)

A-B

d)

D-E

43.

A negative acceleration means that your object is _____.

a)

doing nothing

b)

moving in circles

c)

speeding up

d)

slowing down

44.

What is happening during point A to B?

a)

not moving

b)

increasing speed at a constant rate

c)

moving at a constant speed

d)

moving at 10 m/s2 acceleration

45.

What is happening during point C to D?

a)

not moving

b)

increasing speed at a constant rate

c)

moving at a constant speed

d)

moving at 0 m/s2 acceleration

46.

Match the graph to the description:

"The car is traveling at a constant speed."

a)
b)
c)
d)
47.

Match the graph to the description:

"The car is accelerating."

a)
b)
c)
d)
48.

What is happening to the car between 3-8 seconds?

a)

The car is stopped

b)

The car is traveling at a constant velocity of 0.5 m/s.

c)

The car has an acceleration of 0.5 m/s2.

d)

The car is going in the other direction.

49.

What is this graph showing?

a)

Gradually slowing down

b)

Gradually speeding up

c)

Constant speed

d)

Stopped

50.

What is this graph showing?

a)

At rest

b)

Acceleration

c)

Constant speed of 1 m/s

d)

Gradually speeding up

51.

What is this graph showing?

a)

Constant speed

b)

Gradually speeding up

c)

Gradually slowing down

d)

At rest

52.

What is this graph showing?

a)

Fast constant speed

b)

Slow constant speed

c)

At rest

d)

Accelerating

53.

What is the graph showing?

a)

Slowing down moving toward start

b)

Speeding up moving toward start

c)

Slowing down moving away from start

d)

Speed up moving away from start

54.

What is the graph showing?

a)

Speeding up moving away from start

b)

Speeding up moving towards start

c)

Slowing down moving towards start

d)

Slowing down moving away from start

55.

What is the graph showing?

a)

Constant speed towards start

b)

Constant speed away from start

c)

Acceleration away from start

d)

Acceleration towards start

56.
What is the SI unit used to measure force? 
a)
pounds 
b)
grams 
c)
newtons 
d)
kg/ m2
57.
Gravity attracts all objects towards one another.
a)
False
b)
True
c)
It depends
d)
I don't care
58.
Any object with mass is surrounded by a gravitational field.
a)
True
b)
Sometimes
c)
False
d)
Never
59.
The force of gravity is also known as
a)
Mass
b)
Weight
c)
Distance
d)
Acceleration
60.
As distance between two objects increase the pull of gravity 
a)
Increases
b)
Decreases
c)
Stays the same
61.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight 
d)
terminal velocity 
62.
Which of the following will not change in different gravitational fields?
a)
weight
b)
force
c)
mass
d)
pounds
63.
Where would you have to travel to reduce your weight but not lose any mass?
a)
The moon
b)
The Sun
c)
Jupiter
d)
Saturn
64.
Both of these are measured in Netwons
a)
Force and acceleration
b)
Force and weight
c)
Mass and weight
d)
Mass and acceleration
65.
This FORCE pulls things.  It PULLS things into orbit around the sun. 
a)
Newton
b)
gravity
c)
weight
d)
path
66.
A person would weigh more on Jupiter than on the Earth because . . .
a)
Jupiter has more mass, and therefore more gravity
b)
Jupiter has less mass, and therefore more gravity
c)
Jupiter has more mass, and therefore less gravity
d)
Jupiter has less mass and therefore less gravity
67.

What two things determine the gravity of an object?

a)

mass & weight

b)

mass & distance

c)

density & mass

d)

volume & distance

68.

When will the forces of gravity between two objects be the GREATEST?

a)

when the masses of both objects are small and the objects are far apart

b)

when the masses of both objects are large and the objects are close together

c)

when the masses of both objects are small and the objects are close together

d)

when the masses of both objects are large and the objects are far apart

69.

When will the gravity between two objects be the LEAST?

a)

when the masses of both objects is small and the objects are close together

b)

when the masses of both objects is small and the objects are far apart

c)

when the masses of both objects is large and the objects are close together

d)

when the masses of both objects is large and the objects are far apart

70.

Which statement about gravity is true?

a)

gravity causes objects to pull towards one another

b)

gravity causes objects to push away from each other

c)

gravity only takes place between planets

d)

the moon doesn't have any gravity

71.
The law of universal gravitation is credited to whom? 
a)
Einstein 
b)
Galileo
c)
Darwin
d)
Newton 
72.
The amount of matter in an object.
a)
force 
b)
mass
c)
weight 
d)
pressure 
73.
Look at the picture.  Is the force of gravity on the boy a push or a pull? 
a)
Pull
b)
Push
74.
An object with mass has gravity.
a)
True
b)
False 
75.
As mass increases, what happens to gravitational force?
a)
increases
b)
decreases
c)
stays the same
d)
i don't know
76.
Which model has greater gravitational attraction (if any)
a)
Model A
b)
Model B
c)
Both Model A and Model B (same gravity)
77.
Which system has the greater gravitational attraction between the two objects (if any)?
a)
System A
b)
System B
c)
Same gravitational attraction fro System A and System B
78.
Which System has the greater gravitational pull between the two objects?
a)
System 1
b)
System 2
c)
Same: there is no gravitational attraction between the two objects
79.

More mass equals:

a)

less gravity

b)

less distance

c)

more gravity

d)

more distance

80.

Less mass equals:

a)

less gravity

b)

less distance

c)

more gravity

d)

more distance

81.
Which of the following never changes no matter where in the universe?
a)
weight
b)
force
c)
mass
d)
pounds
82.
Which of the following never changes no matter where in the universe?
a)
weight
b)
force
c)
mass
d)
pounds
83.

A brick and a pencil are dropped at the same time from the same height. Which one would hit the ground first?

a)

brick

b)

pencil

c)

both would hit at the same time

84.

When will the forces of gravity between two objects be the GREATEST?

a)

when the masses of both objects are small and the objects are far apart

b)

when the masses of both objects are large and the objects are close together

c)

when the masses of both objects are small and the objects are close together

d)

when the masses of both objects are large and the objects are far apart

85.
If Earth's mass was cut in half, what would happen to your mass?
a)
increase because gravitational force increases
b)
decrease because gravitational force decreases
c)
decrease because gravitational force increases
d)
nothing, mass is not affected by gravitational force

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