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Space Science

Total questions: 70

Worksheet time: 1hrs 28mins

Name
Class
Date
1.
What celestial body eventually evolved into our modern solar system?
a)
a nebula
b)
a supernova
c)
a quasar
d)
a galaxy
2.

Smaller particles (metal and rock) collecting together into larger and larger objects is called . . .

a)
accretion
b)
contraction
c)
explosion
d)
rotation
3.
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
4.
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
5.
As a nebula collapses it also begins:
a)
Expand
b)
Rotate
c)
Shake
d)
Turn to ice
6.
The group of inner planets are known as:
a)
The Terrestrial Planets
b)
The Gas Giants
c)
The Outer Planets
d)
The Hallow Planets
7.
What caused the lighter elements to leave the terrestrial planets?
a)
Gravity from the Gas Giants
b)
Nothing, the lighter elements stayed
c)
Gravity from the Sun
d)
Heat from the Sun
8.
The group of outer planets are known as:
a)
The Terrestrial Planets
b)
The Gas Giants
c)
The Inner Planets
d)
The Rocky Planets
9.
What materials could not survive the heat where the rocky planets were formed?
a)
Gamma Rays
b)
Plasma
c)
Ice and Gas
d)
Rocks
10.

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

11.

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

12.

The streak of light that is seen when a space rock enters the planet's atmosphere.

a)
meteor
b)
meteorite
c)
asteroid
d)
comet
13.
Objects made of ice, gas and dust and orbit our sun are called:
a)
Asteroids
b)
Comets
c)
Meteroids
d)
Meteors
14.
When a meteoroid STRIKES the surface of the earth scientists refer to them as:
a)
Asteroids
b)
Comets
c)
Meteors
d)
Meteorites 
15.

These planets are made of solid rock (more than one may apply)

a)

Venus

b)

Mars

c)

Mercury

d)

Jupiter

16.

This planet is closest to the Sun

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

17.

These planets are made of gas

a)

Jupiter

b)

Saturn

c)

Uranus

d)

Pluto

18.

This is the largest planet in the solar system

a)

Saturn

b)

Jupiter

c)

Neptune

d)

Uranus

19.

This planet has a very thick hot atmosphere

a)

Earth

b)

Mars

c)

Mercury

d)

Venus

20.

This planet is the smallest in the solar system (it's technically a dwarf planet)

a)

Mercury

b)

Mars

c)

Juptiter

d)

Pluto

21.

This planet has a volcano on it 2.5 x the height of Mt Everest!

a)

Mercury

b)

Mars

c)

Earth

d)

Venus

22.

This planet is tipped over on its side so its axis is horizontal

a)

Uranus

b)

Neptune

c)

Jupiter

d)

Saturn

23.

This planet has a giant storm on it all the time:

a)

Jupiter

b)

Saturn

c)

Neptune

d)

Pluto

24.

Stars are swirling balls made up of...

a)

fire and ash.

b)

plasma and liquid.

c)

gas and dust.

d)

fire and plasma.

25.

A collection of gas and dust that can form a star is called a...

a)

Stellar Nebula.

b)

Planetary Nebula.

c)

Globular Cluster.

d)

Stellar Nursery.

26.
How do stars form?
a)
through the sun
b)
when nebula collapses and nuclear fusion occurs
c)
through supernova
d)
Magic
27.
What is the primary element that stars fuse early in their life cycle?
a)
Helium
b)
Dust
c)
Hydrogen
d)
Iron
28.
Which of the following would be classified as the beginning of star formation?
a)
red dwarf
b)
main sequence
c)
protostar
d)
white dwarf
29.
The life cycle of a star depends  on.
a)
mass
b)
luminosity
c)
radius
d)
temperature
30.

A stellar nebula is made up of...

a)

clouds of gas

b)

clouds of gas and dust

c)

stars

d)

planets

31.

Which nuclear process takes place in the core of stars, where hydrogen is joined to produce helium?

a)

fission

b)

fusion

32.

Which stage of the star life cycle does fusion occur and the star is most stable?

a)

Birth - protostar(s)

b)

Main Sequence - star

c)

Old Age - red giant

d)

Death - white dwarf

33.

Which stage of a star's life cycle does fusion stop, the core is crushed by gravity and it glows bright white?

a)

Birth - protostar(s)

b)

Main Sequence - star

c)

Old Age - red giant

d)

Death - white dwarf

34.

Which stage of a star's life cycle does fusion slow down, the star expands and glows red?

a)

Birth - protostar

b)

Main Sequence - star

c)

Old Age - red giant

d)

Death - white dwarf

35.
Gravity pulls gases and dust particles in space toward one another, squeezing them into a smaller and smaller space. The temperature at the center rises high enough for nuclear fusion of hydrogen to begin.
What stage in a stars life cycle is this describing? 
a)
The birth of a star
b)
The death of a star
c)
Black Hole
d)
Stellar Nebula
36.
The remains from its supernova will form a rapidly spinning, highly magnetic star called a... 
a)
Neutron star
b)
Black Hole
c)
White Dwarf
d)
Supernova
37.
In the death of a large mass star gravitational collapse is so complete that no energy or matter can escape. This is called a... 
a)
Neutron Star
b)
Black Hole
c)
Black Dwarf
d)
Supernova
38.
______ is a force that causes dust particles to stick together in a nebula.
a)
nuclear fusion
b)
gravity
c)
hydrogen
d)
friction
39.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
40.
Which of these stars is hottest?
a)
Red Star
b)
Yellow Star
c)
Orange Star
d)
Blue Star
41.
Which star is the coldest?
a)
Yellow Star
b)
Red Star
c)
Orange Star
d)
Blue Star
42.
Compared to the rest of the stars, our sun is considered...
a)
Extremely Large and Cold
b)
Small with a medium temperature
c)
Medium size with medium temperature
43.
Which category is our Sun located in?
a)
White Dwarfs
b)
Supergiants
c)
Main Sequence
d)
Giants
44.
The category that contains the most stars is...
a)
Main Sequence
b)
Supergiants
c)
Giants
45.
As a whole, Giants are considered hotter than White Dwarfs.
a)
True
b)
False
46.
Red stars are the _____________.
a)
hottest
b)
coolest
c)
biggest
d)
brightest
47.
Blue stars are the _____________.
a)
hottest
b)
coolest
c)
smallest
48.
Look at the H-R diagram. Which star is
sort of cool, dim (not too much light), and red?
a)
Betelguse
b)
Sirius B
c)
Procyon B
d)
Barnard's star
49.
Which star has the lowest temperature?
a)
A
b)
B
c)
C
d)
D
50.

Which statement is true?

a)

The galaxies are moving toward us.

b)

The galaxies are moving away from us.

c)

The universe remains static or unchanged in motion.

d)

None of the above

51.

Which elements are most

abundant in the visible

universe?

a)

Helium and Carbon

b)

Carbon and Oxygen

c)

Hydrogen and Oxygen

d)

Hydrogen and Helium

52.
Galaxies that are redshifted are:
a)
actually blue.
b)
really far away.
c)
invisible.
d)
moving away from us.
53.
The universe is expanding!  This means that:
a)
all of the galaxies are spreading out.
b)
the universe must have started from a single point.
c)
the universe is cooling down.
d)
all of the above.
54.

The Cosmic Background Radiation is:

a)

the remaining energy from the big bang.

b)

incredibly hot.

c)

visible to the human eye.

d)

only located in certain places in the universe.

55.
Light waves that are stretched out by objects moving apart:
a)
have a shorter wavelength.
b)
travel faster than the speed of light.
c)
are invisible.
d)
appear more red.
56.
The universe is ____________ years old.
a)
8.13 billion
b)

13.7 billion

c)
1.83 billion
d)
381 million
57.

Most scientists believe the Big Bang Theory explains which of the following questions?

a)

How our planets and moons formed

b)

How our universe began

c)

How the sun turns hydrogen into helium

d)

How fast light travels through space

58.

An infinitely small, infinitely dense, and infinitely hot point that is believed to have existed before the big bang.

a)

Singularity

b)

Antimatter

c)

Little bang

d)

condensation nuclei

59.

Hydrogen was the first element to be formed after the big bang, because...

a)

It is the simplest element

b)

the temperature at that time was just right for hydrogen

c)

It is used as fuel for stars

d)

it was chosen completely at random

60.

350,000 years after the big bang, gravity pulled all the hydrogen atoms into big balls of gas that ignited under pressure, creating the first __________.

a)

Stars

b)

Planets

c)

Amoebas

d)

Light

61.
What waves have the lowest energy? 
a)
Gamma rays
b)
Visible light waves
c)
Radio waves
d)
X rays
62.

Which color has the longest wavelength?

a)

Yellow

b)

Red

c)

Green

d)

Purple

63.
Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
a)
Gamma Rays
b)
Radio Waves
c)
Visible Light
d)
Infrared rays
64.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
65.
High frequency waves have _________ wavelengths.
a)
varying
b)
long
c)
the same
d)
short
66.

The name for the range of electromagnetic waves placed in order of increasing frequency is...

a)

Electromagnetic Spectrum

b)

Electromagnesis

c)

Visible light spectrum

d)

The range of light

67.

Which of the following is not in the electromagnetic spectrum?

a)

Light waves

b)

Sound waves

c)

Radio Waves

d)

X-rays

68.

In which list are forms of electromagnetic energy arranged in order from longest to shortest wavelength?

a)

Microwave -> Radio wave -> Infrared rays

b)

Visible light -> x-ray -> radio wave

c)

Microwave -> infrared -> visibile light

d)

Infrared -> radio wave -> ultraviolet

69.
Which of the following electromagnetic waves is given off as heat? 
a)
ultraviolet light
b)
x-rays
c)
gamma rays
d)
infrared rays
70.

Which EM waves are have the highest energy & are the most dangerous?

a)

radio

b)

gamma rays

c)

infrared

d)

x-rays

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