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Sci 9 Unit E 1.0 Space Understanding

Total questions: 140

Worksheet time: 2hrs 45mins

Name
Class
Date
1.

Which of the following refers to one planetary "revolution" ?

a)

turning of a planet on its axis

b)

length of one day

c)

orbit of a planet around a sun

d)

orbit of a planet around the Earth

2.

Earth's ________ causes day and night.

a)

rotation

b)

revolution

c)

tilt

d)

orbit

3.

One full orbit of an object around another celestial body is called a ________.

a)

axis

b)

rotation

c)

revolution

d)

field

4.
When do solar eclipses occur?
a)

When the Earth passes between the Moon and Sun.

b)

When Jupiter passes between the Sun and Earth.

c)

When the Moon passes between the Sun and Earth.

d)

When Mars gets too close to the Sun and causes an eclipse.

5.
When do lunar eclipses occur?
a)

When Earth passes between the Moon and Sun.

b)

When the Moon passes between the Earth and Sun.

c)

When the Moon makes half of the Earth cold.

d)

When Mars gets too close to the Sun and causes an eclipse.

6.

The inner planets are which category of planet?

a)

Extraterrestrial planets

b)

Terrestrial planets

c)

Gas giants

d)
Jovian
7.

Which planet has the largest diameter in our solar system?

a)
Jupiter
b)
Uranus
c)
Neptune
d)
Saturn
8.

True or False?

The Jovian planets have solid, rocky surfaces.

a)

True

b)

False

9.

A nebula is _____________.

a)

a cloud of gas and dust that forms stars

b)

a group of distant stars

c)

the same as a supernova

d)

a dying star

10.
What keeps the moon revolving around Earth?
a)
Sun's gravity
b)
Earth's gravity
c)
Magnetic poles
d)
Solar wind
11.

The Hertzsprung-Russell Diagram gives information about a star's...

a)

temperature and brightness

b)

location and size

c)

age and relationship to the sun

d)

location only

12.

What are huge interstellar clouds of dust and gas that create stars?

a)

nebulae

b)

cross-staffs

c)

orbitals

d)

galaxies

13.

There are__________of galaxies within the universe.

a)

hundreds

b)

millions

c)

billions

d)

thousands

14.
What type of galaxy is this?
a)
Regular
b)
Irregular
c)
Spiral
d)
Elliptical
15.

Halley's Comet orbited close to Earth in 1834, 1910 and 1986. When is the next year it will pass close to Earth?

a)

2062

b)

2028

c)

2086

d)

2100

16.

What do we call a rock which falls to the Earth's surface from space?

a)

an asteroid

b)

a meteorite

c)

a satellite

d)

a comet

17.

Is the Sun a star or planet?

a)

Planet

b)

Star

18.

Planets: Terrestrial or Jovian?

Categorize the following

Neptune

Saturn

Jupiter

Uranus

Mercury

Earth

Mars

Venus

Jovian
Terrestrial
19.

True or False?

Larger orbits mean shorter length of year.

a)

true

b)

false

20.
When a meteoroid enters earth's atmosphere and encounters friction, it begins to burn, and now it's called a ...
a)
meteor
b)
meteorite
c)
asteroid
d)
meteoroid
21.
If a meteor hits the earth's surface it is now a ...
a)
meteoroid
b)
meteorina
c)
comet
d)
meteorite
22.

Asteroid belt is...

a)

space debris that causes much damage and destruction to earth on a regular basis

b)

millions of pieces of rocks that make space travel difficult to pass through from earth to its moon

c)

millions of pieces of rock that separate many gas giant planets

d)

the area between Mars and Jupiter that contains millions of pieces of rock and separates the outer and inner planets

23.

From closest to farthest from the Sun.

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

e)

Asteroid Belt

1)
2)
3)
4)
5)
24.
What type of galaxy does this picture represent?
a)
spiral
b)
elliptical
c)
irregular
25.

What is the name of our galaxy?

a)

Snickers

b)

Kit Kat

c)

Milky Way

d)

Hershey

26.

What is at the center of our galaxy?

a)

black hole

b)

Sun

c)

Earth

d)

Jupiter

27.
What is the force that holds our solar system together?
a)
friction
b)
oxygen
c)
inertia
d)
gravity
28.
A streak of light across the sky produced by a meteoroid burning up through the Earth's atmosphere is a __________.
a)
asteroid
b)
comet
c)
meteorite
d)
meteor
29.

Approximately 99% of our Sun is composed of which two elements?

a)
hydrogen & sodium
b)
hydrogen & helium
c)
helium & argon
d)
hydrogen & oxygen
30.
How does a star die?
a)

It runs out of hydrogen

b)
It stops spinning 
c)
carbon explodes the star
d)
when pulsars form on the star
31.

Which is the lifecycle of our Sun?

a)

main sequence-->red giant-->white dwarf

b)

main sequence-->red giant-->supernova--white dwarf

c)

main sequence-->super red giant-->black hole

d)

main sequence-->super red giant-->supernova

32.

What do most asteroids and comets have in common?

a)

both have tails

b)

both made of ice, gas & dust

c)

both in orbit in the asteroid belt

d)

both orbit a star

33.

What are comets often called?

a)

silly sneakers

b)

dirty snowballs

c)

icy dirt balls

d)

balls of white

34.

When a massive star runs out of hydrogen for nuclear fusion, it dies in an explosion called a ...

a)
supernova
b)
black hole
c)
supergiant
d)
big explosion
35.
How many days does it take for the Earth to completely revolve around the sun once?
a)
365.25
b)
23.93
c)
28 
d)
12
36.

Pluto was reclassified as __________.

a)

asteroid

b)

dwarf

c)

moon

d)

star

37.

True or False?

The constellations move throughout the year because the stars orbit around the Earth.

a)

True

b)

False

38.

What is a light year?

a)

The distance light travels in one year

b)

a measurement of time

c)

a way to measure how bright a year is

d)

The distance from Earth to the Sun

39.

When did humans first land on the moon?

a)

1970

b)

1998

c)

2015

d)

1969

40.

The celestial body shown in the picture that has a very long elliptical orbit is called a _________.

a)

phase

b)

asteroid

c)

axis

d)

comet

41.

A planet rotates around an imaginary line called its _____.  

a)
satellite
b)
axis
c)
equator
d)
revolution
42.

From the Earth, we can only see one side of the moon.

a)

true

b)

false

43.
What is the closest planet to the Sun?
a)
Mercury
b)
Mars
c)
Venus
d)
Earth 
44.
Which of the following planets is farthest from the Sun?
a)
Mars
b)
Mercury
c)
Venus
d)
Earth 
45.
What are the inner planets composed of?
a)
gases and ice
b)
rock and mostly ice
c)
gases and rock
d)
rock
46.

Who proposed the first heliocentric model of the solar system?

a)

Plato

b)

Ptolomy

c)

Aristotle

d)

Copernicus

47.

'Earth centered' is known as

a)
heliocentric
b)
geocentric
c)
lunacentric
d)
solarcentric
48.
Who created the heliocentric theory?
a)
Copernicus
b)
Galileo 
c)
Ptolemy
d)
Kepler
49.
Solar winds are made of what?
a)
Ice
b)
Rock and dust
c)
Meteors
d)

Electromagnetic energy

50.
What type of eclipse occurs when the Moon's shadow is on the earth?
a)
Lunar Eclipse
b)
Solar Eclipse
c)
Earth Eclipse
d)
New Moon
51.
The Protoplanet Hypothesis states that...
a)
in the past, there were 4 more planets in our solar system
b)
a blackhole formed the solar system
c)
the Earth formed before the Sun
d)
the solar system formed when the Sun pulled dust and gases together into planets
52.

What did Johannes Kepler discover?

a)

law of gravity

b)

law of elliptical planetary motion

c)

heliocentric theory

d)

geocentric theory

53.
When does a solstice occur?
a)
When the sun is farthest west
b)
When the sun is farthest east
c)
When the sun is directly at the equator
d)
when the sun is farthest south or north of the equator
54.
Which definition explains a solstice?
a)
When the days and nights are equal
b)
When the Sun is at its lowest or highest.
c)
When the Sun moves.
d)
When we don't see any light for 6 months.
55.
During an ________, the length of nighttime and daytime are about the same because neither hemisphere is tilted toward the sun.
a)
equinox
b)
solstice
c)
earthquake
d)
solar eclipse
56.

What do June 21 and December 21 have in common in the northern hemisphere?

a)

eclipses

b)

equinoxes

c)

solstices

d)

hoildays

57.
This pyramid was built to mark the ...
a)

equinox

b)

solstice

c)

eclipse

d)
sun's rotation
58.

All stars begin in a 'stellar nursery' called ________.

a)

a gas giant

b)

a black hole

c)

a white dwarf

d)

a nebula

59.

When a star is dying, it leaves behind remnants.

Which one of the following star remnants is the most dense?

a)
White Dwarf
b)
Neutron Star
c)
Black Hole
60.
The Earth's magnetic field protects us from ...
a)
aliens
b)
planets colliding with us
c)
asteroids
d)
solar wind 
61.
The position of a star above the horizon is its...
a)
altitude
b)
azimuth
c)
astrolabe
d)
quadrant
62.
The azimuth of a star at the 'fixed point' on the diagram is ...
a)
45⁰
b)
95⁰
c)
140⁰
d)
260⁰
63.

The altitude of the star according to the quadrant is ...

a)

5⁰

b)

15⁰

c)

30⁰

d)

45⁰

64.

Stonehenge was built to align with

a)

solstice

b)

equinox

c)

moon rotation

d)

Jupiter

65.

Chichen Itza was built to align with the _____________ to illuminate the image of the god called Kukulkan.

a)

solstice

b)

equinox

c)

full moon

d)

North star

66.

The illustration shows the

a)

Elliptical Theory

b)

Geocentric Theory

c)

Egocentric therory

d)

Heliocentric Theory

67.

Stars made of which two main gases?

a)
hydrogen and helium
b)
oxygen and nitrogen
c)
helium and neon
d)
glitter and hydrogen
68.
Earth’s ____________ causes day and night.
a)
revolution
b)
rotation
c)
shape
d)
ellipses
69.
What is one revolution of Earth’s orbit called?
a)
a week
b)
a year
c)
a month
d)
a day
70.

An instrument that measures the time of day by using the position of the sun due to the rotation of the Earth is called:

a)

astrolabe

b)

cross-staff

c)

sundial

d)

quadrant

71.

The image shows

a)

a solar system

b)

a galaxy

c)

a constellation

72.
Both the "Astrolabe" and "Quadrant" measure...
a)

altitude

b)

azimuth

c)

direction

d)

distance

73.

Which part of the H-R Diagram represents the 'living' stars that are fusing hydrogen to make helium in their cores?

a)

super red giants

b)

red giants

c)

white dwarfs

d)

main sequence

74.

The luminosity of a star relates most closely with a star's...

a)

diameter

b)

color

c)

spectral class

d)

temperature

75.
The shape of our Milky Way galaxy can be classified as ____________.
a)

Spiral

b)

Elliptical

c)

Irregular

d)

Lenticular

76.

Black Holes are thought to be remnants of ______________ explosion.

a)

a Death Star

b)

the Big Bang

c)

a supernova

d)

a planetary Nebula

77.

Our Sun is a ______________ star.

a)

Massive star

b)

Main Sequence

c)

White Dwarf

d)

Red Giant

78.
Astronomers typically measure distances to stars in units called
a)

astronomical units

b)

light-years

79.
What is the closest star to the sun?
a)
Proxima Centauri 
b)
Alpha Centauri A 
c)
Alpha Centauri B 
d)
Betelgeuse 
80.

Which of these bodies was the first to form in our solar system?

a)
Jupiter
b)
Mars
c)
Earth
d)
the Sun
81.

The average distance between the Earth and the Sun is 150 million km. This distance is also equal to...

a)

1 astronomical unit

b)

1 light year

c)

1 parsec

d)

5 billion haads

82.

When sun-like stars start to 'die' and run out of hydrogen, they become

a)

Main sequence stars

b)

Red giants

c)

White dwarfs

d)

Neutron stars

83.

What is the composition of most comets?

a)

rock, ice, salt, carbon

b)

rock, ice, magma, frozen gases

c)

ice, dust, rock, frozen gases

d)

ice, dust, rock, soil

84.

What is the composition of an meteoroid?

a)

rock and salt

b)

water and ice

c)

metals and rock

d)

ice and frozen gases

85.

Huge chunks of rock and metal (some kilometers wide) that orbit between Jupiter and Mars, and are believed to be left-over pieces of planets or moons are called:

a)

Comets

b)

Meteors

c)

Asteroids

d)

Meteroids

86.

These objects orbit the sun are nicknamed, "dirty snowballs."

a)

Comets

b)

Asteroids

c)

Meteors

d)

Meteoroids

87.

Match the rock to its definiion

a)
meteroid
1.

space rock travelling in space

b)
meteor
2.

space rock entering Earth's atmosphere

c)
meteorite
3.

space rock that hits the Earth's surface

88.
What causes meteors to burn up in our atmosphere?
a)
Heat from the Sun
b)
Heat from Earth's atmosphere
c)
They are already so hot that our atmosphere can't handle it
d)
Friction from the Earth's atmosphere
89.

Put the following in order from smallest diameter to largest diameter.

a)

Mercury

b)

Jupiter

c)

Sun

d)

solar system

e)

galaxy

1)
2)
3)
4)
5)
90.

Put the following in order from smallest diameter to largest diameter.

a)

meteor

b)

asteroid

c)

our moon

d)

Earth

e)

Sun

1)
2)
3)
4)
5)
91.

This is a diagram of

a)

solar eclipse

b)

lunar eclipse

92.

This is a diagram of a

a)

lunar eclipse

b)

solar eclipse

93.
A shooting star is actually a...
a)
Comet
b)
Meteoroid
c)
Meteorite
d)
Meteor
94.

This is a diagram of

a)

Aristotle's model

b)

elliptical model

c)

heliocentric model

d)

geocentric model

95.
What type of galaxy do we live in?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Coaxial
96.
Which of these is considered to be an inner planet?
a)
Pluto
b)
Neptune
c)
Jupiter
d)
Earth
97.
How many galaxies are in the known universe?
a)
Hundreds
b)
Thousands
c)
Millions
d)
Billions
98.

At the center of almost all large galaxies is a _________. 

a)
Giant Sun
b)
Black Hole
c)
Big Bang
d)
White Dwarf
99.

Which has a larger diameter?

a)

meteoroid

b)

asteroid

100.
What is the date of the winter solstice?
a)
December 22
b)
December 15
c)
November 22
d)
January 15
101.
What is the date of the spring equinox?
a)
March 5
b)
December 22
c)
March 21
d)
September 23
102.
What characteristics make up the inner planets?
a)
Small size, rocky, shorter revolutions
b)
Small size, large gas atmosphere, shorter revolutions 
c)
Large size, large gas atmosphere, longer revolutions
103.
What is a stream of electrically charged particles sent out by the Sun called? 
a)
Solar wind
b)
Prominences
c)
Sunsail
d)
Sunspots
104.

Earth's magnetic field protects Earth from the Sun's

a)

light

b)

solar wind

c)

heat

d)

shadow

105.

When the solar wind hits the Earth's magnetic field, they create

a)

an aurora

b)

a helios

106.

When viewing an celestial body in the sky, a compass can be used to find the body's________ .

a)

altitude

b)

azimuth

c)

ecliptic

d)

brightness

107.
The __________ is the line of the Sun's apparent path through the sky.
a)
ecliptic
b)

eclipse

c)

azimuth

d)
celestial sphere
108.

Which azimuth is in the south east?

a)

280

b)

225

c)

150

d)

45

109.

Which azimuth is in the northeast?

a)

280

b)

225

c)

150

d)

45

110.

Which azimuth is in the south west?

a)

280

b)

225

c)

150

d)

45

111.

Planets have elliptical orbits because there ....

a)

are no focal points

b)

is one focal point

c)

are 2 focal points

d)

are 3 focal points

112.

Zenith is

a)

the altitude directly above you

b)

90o altitude

c)

North

d)

the azimuth directly above you

113.

Organize these planet into the correct categories

Categorize the following

Saturn

Neptune

Jupiter

Mercury

Venus

Earth

Mars

Uranus

Jovian
Terrestrial
114.

Which of the following planets is considered a Jovian planet?

a)

Earth

b)

Jupiter

c)

Mars

d)

Venus

115.
_________ are ancient tools that were used to help determine star's altitude.
a)
Telescopes
b)
Compasses
c)
Astrolabes
116.

Which stars are the hottest?

a)

super red giants

b)

red giants

c)

white dwarfs

117.

Which stars are the brightest (most luminous)?

a)

super red giants

b)

red giants

c)

white dwarfs

118.

This is a diagram of

a)

Copernicus's model

b)

elliptical model

c)

heliocentric model

d)

geocentric model

119.

Who proposed the Geocentric Model of the solar system:

a)

Copernicus

b)

Aristotle

c)

Galileo

d)

Kepler

120.

Astronomical tool in the picture:

a)

telescope

b)

quadrant

c)

sundial

d)

astrolabe

121.

Astronomical tool in the picture:

a)

telescope

b)

quadrant

c)

sundial

d)

astrolabe

122.

Astronomical tool in the picture:

a)

telescope

b)

quadrant

c)

sundial

d)

astrolabe

123.

This astronomical tool is used to measure the __________ of a star.

a)

ecliptic

b)

altitude

c)

azimuth

124.

This is a diagram of the Sun's ____________ during the year.

a)

ecliptic

b)

azimuth

c)

equinoxes

d)

solstices

125.

The altitude of the star in the diagram is _____.

a)

15o

b)

30o

c)

60o

d)

80o

126.

The azimuth of the star in the diagram is _____.

a)

80o

b)

120o

c)

260o

d)

300o

127.

What is the azimuth ( β\beta ) of the Sun in the diagram?

a)

45o

b)

80o

c)

290o

d)

370o

128.

Massive stars 'die' as a

a)

supernova

b)

planetary nebula

c)

red giant

d)

white dwarf

129.

Black holes are made from

a)

galaxies

b)

stars

c)

planets

d)

asteroids

130.

Which is correct?

a)

The altitude of the star is 120o.

b)

The azimuth of the star is 390o.

c)

The altitude of the star is 30o.

d)

The altitude of the star is northwest.

131.

What are the 2 main gases that make up the Jovian planets?

a)

oxygen and helium

b)

hydrogen and helium

c)

nitrogen and carbon dioxide

d)

chlorine and fluorine

132.

Which stars are the hotter, Blue Giants or Red Giants?

a)

Blue Giants

b)

Red giants

133.

Earth's _____ causes the four seasons in the northern hemisphere.

a)

rotation

b)

spin

c)

tilt

d)

core

134.

Which planet is the hottest in our solar system, due to its atmosphere?

a)

Venus

b)

Mercury

c)

Earth

d)

Saturn

135.

Mars is _____ away from the Sun.

a)

1.52 AU

b)

1.52 light years

136.

A star with an altitude of 5o and an azimuth of 200o would be found by looking...

a)

near the horizon to the NE

b)

near the horizon to the SW

c)

almost directly oerhead and SE

d)

almost directly overhead and NW

137.

Match the celestial bodies to the characteristics:

a)

hydrogen gas, helium gas, -220oC

1.

Neptune

b)

rocky, carbon dioxide atmosphere, 464oC

2.

Venus

c)

superheated hydrogen gas, helium gas, 5500oC

3.

Sun

d)

rocky, oxygen and nitrogen atmosphere, 15oC

4.

Earth

e)

hydrogen gas, helium gas, -178oC, largest ring system

5.

Saturn

138.

A star with an altitude of 5o and an azimuth of 45o would be found

a)

NE and near the horizon

b)

NE and almost directly overhead

c)

NW and near the horizon

d)

NW and almost directly overhead

139.

A star with an altitude of 10o would be found

a)

near the horizon

b)

almost directly overhead

140.

A star with an altitude of 85o would be found

a)

near the horizon

b)

almost directly overhead