Quiz about Gravity, Galaxies and The Nebular Theory

Question 1

The theory that explains the formation of the solar system is called ____.

Accepted Answer

Nebular Theory

Answer

Nebulis Theory

Answer

Big Bang Theory

Answer

Big Nebulan Theory

Question 2

A giant sphere of glowing gases is a ___________

Accepted Answer

Star

Answer

Galaxy

Answer

Light-year

Answer

Magnitude

Question 3

The planets of the solar system formed as

Accepted Answer

planetesimals collided into one another

Answer

the center of the gas cloud cooled

Answer

planetesimals flattened into a rotating disk

Answer

the sun absorbed extra gas and dust from the solar system

Question 4

How long ago was our sun formed?

Accepted Answer

4.5 billion years ago

Answer

10 million years ago

Answer

5 million years ago

Answer

2 billion years ago

Question 5

What force acted on the massive nebula to collapse it and eventually form our sun?

Accepted Answer

gravity

Answer

electrostatic force

Answer

strong force

Answer

weak force

Question 6

What is the nebular hypothesis?

Accepted Answer

Prediction of how the Solar System was formed

Answer

Prediction about how the universe was formed

Answer

Prediction of how the moon was formed

Answer

Prediction of how comets were formed

Question 7

The process that provides the sun with its energy

Accepted Answer

nuclear fusion

Answer

solar flare

Answer

Photosphere

Answer

radiative zone

Question 8

What is the FIRST event in the formation of the solar system?

Accepted Answer

About 4.6 billion years ago, a cloud of stellar dust or nebula exists within the Milky Way.

Answer

About 4.5 billion years ago pieces of rock and ice accumulate more material until they grow into planets and moons.

Answer

None of the above.

Question 9

Which is NOT a type of galaxy?

Accepted Answer

Oblong

Answer

Elliptical

Answer

Spiral

Answer

Irregular

Question 10

What is the name of the galaxy closest to the Milky Way?

Accepted Answer

Andromeda

Answer

Messier 87

Answer

Sombrero Galaxy

Answer

Snickers

Question 11

What shape is the Milky Way galaxy?

Accepted Answer

Spiral

Answer

Elliptical

Answer

Irregular

Answer

Barred Spiral

Question 12

Where is our Solar System located in the Milky Way galaxy?

Accepted Answer

Near the outside on one of the arms

Answer

Near the center

Question 13

Which type of galaxy are the oldest and least bright?

Accepted Answer

Elliptical

Answer

Spiral

Answer

Irregular

Question 14

Which type of galaxy is the brightest with a lot of new stars?

Accepted Answer

Irregular

Answer

Spiral

Answer

Elliptical

Question 15

In stars, which two elements provide their fuel source to provide heat and light?

Accepted Answer

Hydrogen and Helium

Answer

Oxygen and Hydrogen

Answer

Carbon and Iron

Answer

Magnesium and Cobalt

Question 16

The distance light can travel in 1 year is called...

Accepted Answer

Light Year

Answer

Light Distance

Answer

Space year

Question 17

Gravity attracts objects towards one another

Accepted Answer

True

Answer

False

Question 18

Where is the sun located in the galaxy?

Accepted Answer

within an outer arm

Answer

at the edge

Answer

at the center

Answer

within the center body

Question 19

Gravity is based on an object's _____________.

Accepted Answer

mass

Answer

roundness

Answer

brightness

Answer

appearance

Question 20

What keeps the planets in orbit around the sun?

Accepted Answer

gravity

Answer

stars

Answer

heat

Answer

satellites

Question 21

What galaxy are Earth and the solar system located?

Accepted Answer

Milky Way galaxy

Answer

Andromeda galaxy

Answer

Whirlpool galaxy

Answer

Inner Planet galaxy

Question 22

Why do the planets in our solar system orbit the sun?

Accepted Answer

because the sun has the most mass

Answer

because the sun is the brightest

Answer

because the sun was there first

Answer

because nothing can orbit planets

Question 23

Gravity is the force objects put on each other because of their ____________.

Accepted Answer

mass

Answer

speed

Answer

direction

Answer

location

Question 24

Why is the Earth and other planets spherical?

Accepted Answer

force of gravity is acting evenly in all directions around the center mass

Answer

erosion from asteroids hitting the surface

Answer

heat from the sun melted the object's surface

Answer

pressure of the atmosphere acting evenly in all directions

Question 25

What would happen if the mass of one object suddenly increased?

Accepted Answer

The gravitational force between 2 objects would increase

Answer

The mass of the other object would increase

Answer

The distance between the objects would increase

Answer

The gravitational force of the objects would remain constant

Question 26

If 2 planets of the same mass are in space and A is closer to the sun while B is farther away from the sun, which one will have a stronger gravitational field/force?

Accepted Answer

planet A

Answer

planet B

Question 27

What might happen to a satellite if Earth's gravity suddenly disappeared?

Accepted Answer

The satellite would move into space in a straight line

Answer

The satellite would stop moving

Answer

The satellite would fall to Earth

Answer

The satellite would continue to orbit Earth

Question 28

A nebula is:

Accepted Answer

A cloud of dust and gas

Answer

A cloud of ice

Answer

A cloud of just gas

Answer

A cloud of just dust

Question 29

The most abundant gases in a nebula are:

Accepted Answer

Hydrogen & Helium

Answer

Hydrogen & Oxygen

Answer

Nitrogen & Oxygen

Answer

Oxygen & Helium

Question 30

A nebula starts to collapse because of:

Accepted Answer

Gravity

Answer

A nearby star shining it's light

Answer

A passing spaceship

Answer

A passing comet

Question 31

As a nebula collapses it also begins:

Accepted Answer

Rotate

Answer

Expand

Answer

Shake

Answer

Turn to ice

Question 32

What six things make up our Solar System?

Accepted Answer

Sun, Planets, Moons, Asteroids, Comets, Meteors

Answer

Galaxies, Planets, Stars, Asteroids, Planets, Moons

Answer

Sun, Planets, Moons, Stars, Asteroids, Comets

Answer

Planets, Stars, Galaxies, Comets, Meteors, Sun

Question 33

What happens once the nebula begins to spin?

Accepted Answer

a planetary disk forms with a bulge in the center.

Answer

a completely flat disk forms

Answer

all the material collects in the middle

Answer

the newborn sun blows out all the material into space

Question 34

Gravitational forces are always

Accepted Answer

Attractive

Answer

Pushing

Answer

repulsive

Answer

objects

Question 35

What affects the strength of gravity

Accepted Answer

Mass and Distance

Answer

Weight and Mass

Answer

Distance and Weight

Answer

Mass and Force

Question 36

Why do the planets and other celestial objects in our solar system revolve around the Sun?

Accepted Answer

The Sun has the greatest mass of any object in the solar system and therefore the greatest gravity

Answer

The sun is the center of the universe

Answer

The sun is the brightest thing in space and everything is attracted to it.

Answer

The Sun has the greatest weight so everything pushes towards it

Question 37

If you landed on Mars, what happens to your mass and weight? Remember the force of gravity on Mars is less than on Earth.

Accepted Answer

The mass stays the same while the weight decreases.

Answer

The mass decreases while the weight stays the same.

Answer

The mass stays the same while the weight increases.

Answer

The mass increases while the weight decreases.

Question 38

As the distance between two objects

increases, the gravity between them

Accepted Answer

decreases

Answer

increases

Answer

stays the same

Answer

is zero

Question 39

The Milky Way Galaxy is a

Accepted Answer

spiral

Answer

lenticular

Answer

elliptical

Answer

irregular

Question 40

What type of galaxy is this?

Accepted Answer

Irregular

Answer

Spiral

Answer

Elliptical

Answer

Irrational

Question 41

What type of galaxy is this?

Accepted Answer

Spiral

Answer

Elliptical

Answer

Irregular

Answer

Irrational

Question 42

What type of galaxy is this?

Accepted Answer

Irregular

Answer

Spiral

Answer

Elliptical

Answer

Irrational

Question 43

The most abundant type of galaxy in the universe is an...

Accepted Answer

Elliptical Galaxy

Answer

Spiral Galaxy

Answer

Irregular Galaxy

Question 44

What type of galaxy is this?

Accepted Answer

Elliptical

Answer

Spiral

Answer

Irregular

Answer

Irrational

Question 45

What type of galaxy has no defined pattern or shape?

Accepted Answer

Irregular

Answer

Spiral

Answer

Elliptical

Answer

Constellation

Question 46

The classification of Galaxy is based on its observable characteristics. Which of these characteristics is used to classify galaxies?

Accepted Answer

shape

Answer

temperature

Answer

types of forces

Answer

chemical elements

Gravity, Galaxies and The Nebular Theory

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