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Space Explorations

Total questions: 132

Worksheet time: 2hrs 44mins

Name
Class
Date
1.

a group of stars that has a name

a)

solar system

b)

constellation

c)

shooting star

d)

comet

2.

The attractive force between objects is called....

a)

force

b)

Gravity

c)

inertia

d)

motion

3.

What prevents planets from drifting off into space and keeps it in the planets in our Solar System?

a)

Gravity

b)

Weight

c)

Friction

d)

Forward Motion

4.

The objects which are made of ice, gas and dust and orbit our sun are called:

a)

Asteroids

b)

Comets

c)

Meteoroids

d)

Jupiter

5.

A collection of hundreds of stars around a common centre is called a:

a)

Solar System

b)

Galaxy

c)

Light year

d)

Andromeda

6.

The name of the galaxy in which our solar system is situated is the:

a)

Andromeda

b)

Milky Way

c)

Black eye

d)

Sombrero

7.

What type of galaxy is the Milky Way galaxy?

a)

Irregular

b)

Elliptical

c)

Spiral

d)

None of these

8.

The distance that light travels in one year is called:

a)

A light year

b)

A light ray

c)

An astronomical unit

d)

AU

9.

The centre of the solar system is a:

a)

Star

b)

Planet

c)

Asteroids

d)

Comets

10.

The natural satellite that orbits a planet is a:

a)

Meteor

b)

Moon

c)

Comet

d)

None of these

11.

A mass of frozen rock and gas that has a tail pointing away from the sun is a:

a)

Meteorite

b)

Comet

c)

Planet

d)

Moon

12.

A mass of frozen rock and gas that has a tail pointing away from the sun is a:

a)

Meteorite

b)

Comet

c)

Planet

d)

Moon

13.

The asteroid belt in our solar system is between the planets of:

a)

Mars and Jupiter

b)

Mars and Earth

c)

Earth and Mercury

d)

Jupiter and Saturn

14.
According to this Hertzsprung-Russell Diagram which stars are brightest?
a)
Purple
b)
Red
c)
Blue
d)
Yellow
15.
Black Holes are thought to be remnants of ______________ explosion.
a)
Death Star
b)
The Big Bang Theory
c)
Supernova
d)
Planetary Nebula
16.
Hertzsprung-Russell Diagram shows the correct order of decreasing surface temp for stars is?
a)
Red, Yellow, White, Blue
b)
Red, Yellow, Red, Yellow
c)
Blue, White, Yellow, Red
d)
Blue, Red, White, Yellow
17.
Huge clouds of dust and gas are called
a)
Star
b)
Nebulae
c)
Neutron Star
d)
Comets
18.
What is a light year?
a)
A unit of time
b)
The time light takes to travel though a vacuum in one year.
c)
10 thousand meters
d)
How far light travels through the vacuum in one year.
19.
Which stars have the highest surface temperature?
a)
Yellow
b)
Red
c)
Blue
d)
Orange
20.
Betelgeuse is classified as a ____________ star.
a)
Supergiant
b)
Giant
c)
White Dwarf
d)
Main Sequence
21.
Our Sun is a ______________ star.
a)
Blue 
b)
Main Sequence
c)
Yellow
d)
Orange
22.
The stars with the lowest temperature are ________________.
a)
Orange
b)
Red
c)
Blue
d)
White
23.
Luminosity measures a star's _____________________.
a)
Color
b)
Temperature
c)
Brightness
24.
A massive star could become a ______.
a)
Neutron Star
b)
Red Giant
c)
White Dwarf
d)
Average Star
25.
A huge collection of stars is a?
a)
Universe
b)
Galaxy
c)
Movie
d)
Nebulae
26.
Which type of galaxy has the highest percentage of old stars?
a)
Elliptical
b)
Irregular
c)
Spiral
d)
Hollywood
27.

When a mass of hydrogen has enough density, it begins to fuse the hydrogen atoms together. This produces heat and light. What is this classified as?

a)

nebula

b)

star

c)

galaxy

d)

planet

28.

Which of these correctly identifies different objects in the universe according to their size and composition?

a)

A nebula is larger than a galaxy

b)

a solar system contains many stars

c)

a galaxy contains many solar systems

d)

a galaxy is bigger than a universe

29.

What is the nearest star to planet Earth

a)

Moon

b)

Sun

c)

Sirius

d)

Proxima Centauri

30.

Which describes the Sun and the Milky Way?

a)

The Sun is a medium sized star near the edge of a disc shaped galaxy

b)

The Sun is a massive star near the edge of a disc shaped galaxy

c)

The Sun is a dwarf sized star near the edge of a disc shaped galaxy

d)

The Sun is medium sized star near the middle of a disc shaped galaxy

31.

It takes light approximately 8 minutes and 20 seconds for light from the Sun to reach Earth. Which is true about Earth's distance from the Sun

a)

The Sun is much less than 1 light year from Earth

b)

The Sun is 1 light year from Earth

c)

The Sun is 8.33 light years from Earth

d)

The Sun is so hot it burns

32.

Why does our Sun, an average sized star, appear so much brighter than other more massive stars?

a)

The Sun is lit

b)

The Sun is closer to Earth than other stars

c)

The Sun is made of different elements

d)

The Sun is prettier so it shines brighter

33.

which would cause the universe to collapse in on itself to make a closed universe?

a)

momentum of outward expanision

b)

force of gravity

c)

critical density

d)

Hubble constant

34.

Which type of galaxy is illustrated?

a)

spiral

b)

elliptical

c)

irregular

d)

it's not a galaxy

35.

Our universe is made up of at least a

a)

million galaxies

b)

million stars

c)

billion galaxies

d)

hundred planets

36.
Space and all the matter and energy in it.
a)
Space
b)
Solar System 
c)
Universe
d)
Sun
37.
Which of the following is the largest?
a)
star
b)
universe
c)
cluster
d)
galaxy
38.
Gravity is the force objects put on each other because of their ______.
a)
mass
b)
friendliness
c)
acceleration
d)
speed
39.

What is the biggest difference between the Geocentric Model and the Heliocentric Model?

a)

the shape of the planets' orbits

b)

the movement of the moon

c)

the center of the solar system

40.
This image shows the:
a)
Geocentric Solar System
b)
Heliocentric Solar System
41.

Who came up with this model?

a)

Copernicus

b)

Kepler

c)

Galileo Galilee

d)

Ptolemy

42.

Which object is the center of the solar system according to Galileo?

a)

Earth

b)

Moon

c)

Sun

d)

Neptune

43.
A relatively large spherical body that orbits a star.
a)
Star 
b)
Planet
c)
Moon 
44.
A large celestial body that is composed of gas and that emits light.
a)
star
b)
black hole
c)
element 
d)
big bang
45.
A collection of stars, dust, and gas bound together by gravity.
a)
Nebula
b)
Galaxy 
c)
Universe
d)
Protostar
46.
 A large cloud of gas and dust in interstellar space; a region in Space where stars are born.
a)
Protostar 
b)
Nebula
c)
Galaxy 
d)
Star
47.
 The actual brightness of an object such as a star
a)
Luminosity 
b)
Apparent Magnitude 
c)
Brightness 
d)
Light Year
48.
A small, hot, dim star that is the leftover center of an old sunlike star
a)
Red Dwarf
b)
White Dwarf 
c)
Main Sequence 
d)
Giant
49.
A gigantic explosion in which a massive star collapses and throws its outer layers into space.
a)
Black Hole 
b)
Supernova
c)
Neutron Star 
d)
Nebula 
50.
What process takes place inside a star to generate energy?
a)
Nuclear fission
b)
Hydrogen Creation
c)
Nuclear fusion
d)
Helium forming
51.

stars in a round,oval, spherical shape

a)

elliptical

b)

spiral

c)

barred spiral

d)

irregular

52.

shaped unlike the others

a)

elliptical

b)

spiral

c)

barred spiral

d)

irregular

53.

few stars creating a pattern or picture

a)

bubble universe

b)

spiral galaxy

c)

constellation

d)

barred spiral

54.

Brightness from earth

a)

apparent magnitude

b)

absolute magnitude

c)

relative magnitude

d)

actual brightness

55.

Actual brightness

a)

apparent magnitude

b)

absolute magnitude

c)

relative magnitude

d)

actual magnitude

56.

what is a light year

a)

distance light travels in a year

b)

speed light travels in a year

c)

distance from sun to earth

d)

distance from earth to moon

57.
What is the color of the coolest stars?
a)
blue
b)
Yellow
c)
Red
d)
Orange
58.

All stars begin their life in a

a)

Main Sequence

b)

Nebula

c)

Protostar

d)

Black Dwarf

59.

Average size stars will turn into a _____ star next.

a)

protostar

b)

red giant

c)

supergiant

d)

black hole

60.

A massive star can end it's life as a ______ or ___________.

a)

neutron star/black hole

b)

main sequence star/ nebula

c)

supernova

nebula

d)

red giant

supergiant

61.
True or False
The Sun is the biggest star in the sky.
a)
True
b)
False
62.
What is the name of baby stars?
a)
Dwarf
b)
Supergiant
c)
Protostars
d)
Nebulas
63.
Why do other stars appear so much smaller than the sun?
a)
They are actually much smaller
b)
They are so far away
c)
They are not as bright
d)
They are dwarf stars
64.
Most stars are made of which gases?
a)
Hydrogen only
b)
Hydrogen and Lithium
c)
Hydrogen and Sodium
d)
Hydrogen and Helium
65.
After the main sequence, a high mass star becomes a
a)
black dwarf
b)
protostar
c)
red giant
d)
supergiant
66.
After the main sequence, a low mass star becomes a
a)
black dwarf
b)
protostar
c)
red giant
d)
supergiant
67.

What is this planet

a)

mecury

b)

earth

c)

jupiter

d)

neptune

68.

Venus is the planet that planet that comes after Mecury

a)

True

b)

False

69.

Where is Earth

a)
b)
c)
d)
70.
The biggest planet in the solar system is? 
a)
Earth 
b)
Jupiter 
c)
Mars 
d)
Sun 
71.

Which force keeps all the planets in the solar system?

a)

gravity

b)

friction

c)

magnetism

d)

electricity

72.

There are _________ planets in our solar system.

a)

6

b)

7

c)

8

d)

9

73.

Which planet is the smallest planet?

a)

Uranus

b)

Mercury

c)

Neptune

d)

Earth

74.
This picture shows the path Earth takes as it moves around the sun. What is the path called?
a)
a constellation
b)
a moon
c)
an orbit
d)
a planet
75.

Where can most asteroids be found?

a)

between Earth and Mars

b)

between Mars and Jupiter

c)

between Jupiter and Saturn

d)

between Saturn and Uranus

76.

How do scientists classify small objects in the solar system?

a)

size

b)

shape

c)

size, shape, AND temperature

d)

size, shape, AND composition

77.

Which of the following categories of small bodies in the solar system does Ceres belong to?

a)

dwarf planets

b)

comets

c)

meteoroids

d)

planets

78.

Which of the following small bodies are the hardest to tell apart because they are made of similar materials?

a)

dwarf planets and comets

b)

asteroids and comets

c)

comets and meteoroids

d)

asteroids and meteoroids

79.

A scientist examines a sample of an object from the solar system. There is evidence that the object included ice. The sample most likely comes from a(n)

a)

asteroid

b)

comet

c)

dwarf planet

d)

meteoroid

80.

Identify Letter A in the picture

a)

tail

b)

coma

c)

nucleus

81.

There are two regions in the Solar System where comets might come from, the __________________________ belt and the _______________________________ cloud.

a)

Asteroid, Kuiper

b)

Kuiper, Oort

c)

Asteroid, Oort

82.

Which of the following are dwarf planets?

a)

Mercury

b)

Deimos

c)

Ceres

d)

MakeMake

e)

Titon

83.

A bright streak of light that results when a meteoroid burns up in Earth's atmosphere

a)

comet

b)

asteroid

c)

meteor

d)

meteorite

84.

A bright streak of light that results when a meteoroid burns up in Earth's atmosphere

a)

comet

b)

asteroid

c)

meteor

d)

meteorite

85.

In 2006, astronomers decided that _________________ would no longer be considered a planet.

a)

Ceres

b)

Pluto

c)

Haumua

d)

The Moon

e)

Mercury

86.

A meteoroid that reaches Earth's surface without burning up is called a

a)

meteorite

b)

asteroid

c)

meteor

87.
Large bodies that revolve around the sun are ________
a)
Planets
b)
Comets
c)
Solar Systems
d)
Asteroids
88.

Which of the following consists mostly of small bodies of ice located just beyond Neptune's orbit?

a)

the asteroid belt

b)

the Kuiper belt

c)

a meteor shower

d)

the Oort cloud

89.

Which planets are considered the Terrestrial Planets or the Inner Planets?

a)

Mercury, Venus, Earth, Mars

b)

Jupiter, Saturn, Uranus, Neptune

90.

Which planets are considered the Jovian Planets or the Outer Planets?

a)

Mercury, Venus, Earth, Mars

b)

Jupiter, Saturn, Uranus, Neptune

91.

A natural rocky that revolves around other bodies such as planets or asteroids.

a)

Moon

b)

Meteoroid

c)

Meteor

d)

Meteorite

92.

Which force prevents the planets from drifting away from the Sun?

a)

inertial force

b)

nuclear force

c)

centrifugal force

d)

gravitational force

93.
The sun is a glowing ball of _______.
a)
water
b)
liquid
c)
gases
d)
rocks
94.
What is the sun mostly made up of
a)
Helium
b)
Core
c)
Carbon
d)
Hydrogen
95.

The Sun is made of...

a)

Water and Ice

b)

Hydrogen

c)

Magnesium

d)

Hydrogen and Helium

96.

The Sun core....

a)

The region of the sun where energy is produced.

b)

The region of the sun where solar flare happen.

c)

The sun spots are generated at core

d)

The carry particles of ligh

97.

Solar Prominence

a)

Quick burst of gas into the solar system

b)

Loop of gas that connects sun spots

c)

Hot gas moving into Earth's atmosphere

d)

Breaks power lines

98.

Solar Flare

a)

The crown of the sun

b)

Cooler spots on the sun

c)

A loop of energy

d)

Brief eruption of intense high energy of gas

99.

The layer of the sun that makes light

a)

Photosphere

b)

Solar flare

c)

Core

d)

Chromosphere

100.

Chromosphere

a)

The layer of sun that creates the suns color

b)

The layer that makes light

c)

The layer that creates energy

101.

Joining of hydrogen atoms to form helium

a)

Nuclear Fusion

b)

Nuclear Fission

c)

Sun spots moving together

102.

How might sun spots affect Earth?

a)

Sun spots are linked to solar winds, which blow particles onto Earth

b)

They don't affect Earth

c)

They can cause sand storms.

103.

Sun Spots

a)

Throw particles into Earth's Atmosphere

b)

Create donuts

c)

Help the space probes send information

d)

The cooler darker parts of the Sun

104.
The Earth's _?_ is an imaginary line that goes from the North Pole to the South Pole.
a)
equator
b)
axis
c)
prime meridian
d)
equinox
105.
The spinning of an object on its axis is called _?_.
a)
orbit
b)
rotation
c)
revolution
d)
tide
106.
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
107.
When the Northern Hemisphere of Earth is leaning away from the Sun, What season is the Southern Hemisphere experiencing?
a)
Summer
b)
Winter
c)
Spring
d)
Fall
108.
When the Northern Hemisphere is pointing towards the sun, what season is the Southern Hemisphere?
a)
Winter
b)
Spring
c)
Fall
d)
Summer
109.
It takes the Earth _______ days to travel all the way around the Sun.
a)
28
b)
100
c)
24
d)
365
110.
When the Earth travels all the way around the Sun, it is called a . . .
a)
Revolution
b)
Rotation
c)
Leap Year
d)
Spin
111.
How many seasons are there?
a)
1
b)
2
c)
3
d)
4
112.
The rotation of the Earth causes . . .
a)
day & night
b)
summer & winter
c)
fall & spring
d)
Leap Year
113.

It takes just about a month for the moon to -

a)

completely revolve around the Earth

b)

travel to Earth

c)

leave its orbit

d)

revolve around the Sun

114.

When the Moon is directly between the Sun and the Earth, what phase would the Moon be in?

a)

Full Moon

b)

New Moon

c)

Half Moon

d)

Waxing Crescent

115.

What phase of the moon is this?

a)

Waxing Gibbous

b)

Waning Gibbous

c)

Waxing crescent

d)

Waning crescent

116.

What phase of the moon is shown?

a)

waning gibbous

b)

1st quarter

c)

waxing crescent

d)

Waxing gibbous

117.
Name the phase of the moon that comes BEFORE this moon phase.
a)
waxing gibbous
b)
waning gibbous
c)
waning crescent
d)
waxing crescent
118.

What is the phase of the Moon at position #5?

a)

New Moon

b)

Third Quarter Moon

c)

First Quarter Moon

d)

Full Moon

119.
Name the moon phase
a)
waning crescent
b)
waxing crescent
c)
waning gibbous
d)
waxing gibbous
120.

The Moon gets its light from the

a)

It reflects the Earth's light

b)

It reflects the other stars' light

c)

It reflects the Sun's light

d)

It makes its own light

121.
What part of the moon do we see from Earth?
a)
all of it
b)
the same side
c)
none of it
d)
only one quarter
122.
A solar eclipse only happens during a ________ moon.
a)
New
b)
Cresent
c)
Gibbous
d)
Full
123.
What do we call the sun's outer atmosphere that you see during a solar eclipse?
a)
an umbra
b)
a corona
c)
an orbit
d)
a shadow
124.
a)
solar eclipse
b)
lunar eclipse
125.
This image is an example of
a)
Lunar Eclipse
b)
Full Moon
c)
New Moon
d)
Solar Eclipse
126.
In order to have an eclipse, the Moon, Sun and Earth have to be?
a)
Below each other
b)
Above each other
c)
In alignment
127.
What is the darkest inner part of the shadow cone called, where a total eclipse can be viewed.
a)
Total
b)
Umbra
c)
Penumbra
128.
a)
solar eclipse
b)
lunar eclipse
129.
What type of tides would this arrangement of earth-moon-sun create?
a)
neap tide
b)
spring tide
c)
new moon tide
d)
full moon tide
130.

the moon affects

a)

the coriolis effect

b)

global conveyor belt

c)

the tides

d)

how we behave

131.

As the moon revolves around the earth, the water follows the motion and causes...

a)

sea levels

b)

waves and currents

c)

moon phases

d)

high tides and low tides

132.

High tides and low tides each happen _____ times per day.

a)

4

b)

2

c)

1

d)

24

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