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Unit 4 Formation of the solar system

Total questions: 30

Worksheet time: 30mins

Name
Class
Date
1.
The Nebular Theory is:
a)
A theory on how the Milky Way galaxy was formed
b)
A theory on how the universe was formed
c)
A theory on how the solar system will be destroyed
d)
A theory on how the solar system was formed
2.
A nebula is:
a)
A cloud of ice
b)
A cloud of dust and gas
c)
A cloud of just gas
d)
A cloud of just dust
3.

What is the most abundant gases in a nebula or our solar system?

a)

Hydrogen & Oxygen

b)

Nitrogen & Oxygen

c)

Hydrogen & Helium

d)

Oxygen & Helium

4.
As a nebula collapses it also begins:
a)
Expand
b)
Rotate
c)
Shake
d)
Turn to ice
5.

What forms in the very center of the early solar system disk?

a)

A protostar

b)

A planet

c)

A protoplanet

d)

A planetesimal

6.

What formed in the early solar system disk away from the center?

a)

Light

b)

Protostars

c)

Planetesimals

d)

Hydrogen

7.

inner planets are known as:

a)

Terrestrial Planets

b)

Gas Giants

c)

solid Planets

d)

Hallow Planets

8.

Heat and intense pressure in the early sun caused:

a)

Fire in the Sun to start

b)

Helium to break down into Hydrogen

c)

Nuclear Fusion to start

d)

Nuclear Fusion to end

9.

What materials could not survive the heat and the solar winds where the rocky planets were formed?

a)

Gamma Rays

b)

Plasma

c)

Ice and Gas

d)

Rocks

10.

What two objects do scientists study to learn about the formation of the solar system?

a)

Stars & Star systems

b)

Comets & Asteroids

c)

Comets & Meteoroids

d)

Asteroids & Distant Stars

11.
When the solar nebula spun out into a disc-shape, what direction did it start spinning?
a)
clockwise
b)
counter-clockwise
12.

What two forces cause the planets to orbit the sun?

a)

accretion and gravity

b)

inertia and gravity

c)

solar winds and gravity

d)

Electromagnetism and gravity

13.

What happens during nuclear fusion in the sun?

a)

oxygen combine to form helium

b)

Helium combine to form oxygen

c)

helium combine to form hydrogen

d)

hydrogen combine to form helium

14.

Once a nebula starts to collapse what force keeps the particles coming together?

a)

A nearby star shining it's light

b)

Inertia

c)

A passing comet

d)

Gravity

15.

Why did light elements form outer planets and not inner planets?

a)

Gas Giants gravity was so strong that it pulled the gasses away from the Inner solar system

b)

inner planets were less dense

c)

solar wind blew the lighter gasses to the outer solar system

d)

inner planets didn't have gravity

16.

What percentage of the solar systems mass is in the Sun?

a)

99%

b)

1%

c)

50%

d)

75%

17.

When you spin any mass, (Example pizza dough} what shape will it likely take?

a)

Sphere

b)

Disc

c)

Cylinder

d)

Clous

18.
How many planets are in our solar system (not including pluto)
a)
9
b)
8
c)
10
d)
7
19.

Name the planets in order from the one closet to the Sun

a)

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

b)

Neptune, Uranus, Saturn, Jupiter, Mars, Earth, Venus, Mercury

c)

Mercury, Earth, Mars, Venus, Saturn, Jupiter, Uranus, Neptune

d)

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus, Pluto

20.
Which planet is the largest planet in our solar system?
a)
Saturn
b)
Earth
c)
Mars
d)
Jupiter
21.
Which planet is the only planets to spin on its side?
a)
Earth
b)
Neptune
c)
Jupiter
d)
Uranus
22.
A small, solid, rocky body that orbits the Sun. 
a)
Asteroid
b)
Comet
c)
Meteoroid
d)
Meteor
23.
A small, icy body that orbits the Sun. Is made of a main body and a tail.
a)
Asteroid
b)
Comet
c)
Meteor
d)
Meteoroid
24.
A chunk of rock that burns up upon entering a planet's atmosphere
a)
Comet
b)
Meteor
c)
Meteoroid
d)
Asteroid
25.
What six things make up our Solar System?
a)
Sun, Planets, Moons, Asteroids, Comets, Meteors
b)
Galaxies, Planets, Stars, Asteroids, Planets, Moons
c)
Sun, Planets, Moons, Stars, Asteroids, Comets
d)
Planets, Stars, Galaxies, Comets, Meteors, Sun
26.

A planet made of mostly gases, such as Hydrogen or Helium

a)

Terrestrial Planet

b)

Jovian Planet

c)

Gas Planet

d)

Rocky Planet

27.
What is the time it takes an object to go around the Sun?
a)
Rotation
b)
Revolution
c)
Spin
d)
Turn
28.

Which planets have rings?

a)

all the terrestrial planets

b)

Saturn & Uranus

c)

Neptune & Saturn

d)

all the Gas Giants

29.

Which planet orbits the fastest?

a)

Mars

b)

Venus

c)

Mercury

d)

Saturn

30.

On December 21st, the Great Conjunction is the aligning (lining up) of what 2 planets?

a)

Neptune and Mars

b)

Venus and Mercury

c)

Jupiter and Saturn

d)

Pluto and Eris

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