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Formation of SS 24

Total questions: 36

Worksheet time: 31mins

Name
Class
Date
1.

What happened first in the formation of the planets?

a)

The Sun Forms

b)

The Planetesimals form

c)

The Planets form

d)

The Solar Nebula Collapses

2.

How did the sun form?

a)

It formed when the solar nebula collapsed

b)

It formed when gas and ice collided and exploded

c)

It formed when fusion began in the center of the protostellar disk

d)

There is no such thing as a sun.

3.

--------------------------- formed when dust grains stuck together, and then eventually increased in size until they were kilometers sized objects.

a)

planetesimals

b)

stars

c)

planets

d)

asteroids

4.

What force caused planets to grow so large?

a)

Friction

b)

Air Resistance

c)

Fusion

d)

Gravity

5.

What step in the formation of the solar system is this?

a)

Step 1

b)

Step 2

c)

Step 3

d)

Step 4

6.

Which ones are actual words that have to do with the formation of the solar system. Choose all that apply.

a)

Solar Nebula

b)

Protostellar Disk

c)

Protoplanetary Disk

d)

Planetesimals

7.

Astronomers think that the solar system formed from an interstellar

a)

rocks

b)

clouds

c)

explosions

d)

debris

8.

Where is the concentration of matter the densest as an interstellar cloud collapses?

a)

A

b)

B

c)

C

9.

The Sun formed when the dense concentration of gas and dust at the center of a rotating disk reached a temperature and pressure high enough to fuse hydrogen into

a)

carbon

b)

lava

c)

helium

10.

The rotating disk surrounding the young Sun became our

a)

moon

b)

planet

c)

comet

d)

solar system

11.
A cloud of gas and dust from which bodies in space are formed
a)
photosphere
b)
nebula
c)
solar flare
d)
Sunspot
12.

Where are asteroids found?

a)

between earth and venus

b)

between Jupiter and Saturn

c)

between Saturn and Uranus

d)

between Mars and Jupiter

13.
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
14.
As a nebula collapses it also begins:
a)
Expand
b)
Rotate
c)
Shake
d)
Turn to ice
15.
Intense pressure in the protosun (protostar) 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
16.

Our Sun formed, like any other star, from _.

a)

a collision between two massive planetary objects

b)

empty space

c)

a black hole

d)

the collapse of a cloud of matter under the pressure of gravity

17.
The group of inner planets are known as:
a)
The Terrestrial Planets
b)
The Gas Giants
c)
The Outer Planets
d)
The Hallow Planets
18.
The group of outer planets are known as:
a)
The Terrestrial Planets
b)
The Gas Giants
c)
The Inner Planets
d)
The Rocky Planets
19.

The path of an object as it revolves around another object in space

a)

orbit

b)

rotation

c)

gravity

d)

corona

20.
The spinning of an object on its axis is called______
a)
orbit
b)
rotation
c)
revolution
d)
tide
21.
Day and night is caused by the _____________ of earth on its axis.
a)
revolution
b)
orbit
c)
rotation
22.
What are the reasons for the seasons?
a)
Earth's tilt and rotation.
b)
Earth's rotation and revolution.
c)
Earth's tilt and revolution.
d)
Earth's tilt and resolution
23.

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

24.

Which letter in this diagram shows the nebula that was left over after an ancient star exploded?

a)

a

b)

b

c)

c

d)

d

e)

e

25.

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

26.

How does gravity work according to the theory of general relativity?

a)

All objects in the universe exert a uniform force on each other

b)

Massive objects and smaller objects warp space time the same way

c)

The collisions of small objects in space create gravity

d)

Massive objects warp space-time around them

27.

The main force at play during making of our solar system

a)

strong force

b)

weak force

c)

gravity

d)

electrostatic force

28.

The solar system formed out of a ​ (a)   of gas and dust. That nebula, started forming about ​ (b)   billion years ago. As the nebula contracted, it's speed ​ (c)   . ​ (d)   started to occur, and that is the beginning of our star: the Sun.

Choose from the below words
nebula
4.6
increased
Nuclear Fusion
disk
150
29.
What is a small body from which a planet originated in the early stages of development of the solar system called?
a)
inertia
b)
planetesimal
c)
terrestrial planet
d)
gas giant
30.
What is the term for Earth being in the center?
a)
geocentric
b)
heliocentric
c)
sun centered
d)
Galileo
31.

Once the Earth began to accumulate more mass, which force was responsible for its continued growth?

a)

electrostatic charges

b)

gravitational forces

c)

magnetic forces

d)

universal forces

32.

In the earliest stages of Earth's development, our planet was made of what?

a)

a very dense core and thick crust

b)

molten rock

c)

plasma like our sun

d)

vast bodies of water

33.
A nebula starts to collapse because of:
a)
A nearby star shining it's light
b)
A passing spaceship
c)
A passing comet
d)
Gravity
34.
As a nebula collapses it also begins:
a)

Expand and freeze

b)

Spin and Rotate

c)

Shake and heat up

d)
Turn to ice
35.
Intense pressure in the protosun (protostar) 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
36.
What forms in the very center of the accretion disk?
a)
A protosun
b)
A planet
c)
A protoplanet
d)
A planetesimal

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