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Grade 9 Unit 1 Space Quiz

Total questions: 90

Worksheet time: 45mins

Name
Class
Date
1.

Which term describes natural objects found outside Earth’s atmosphere?

a)

Asteroids

b)

Celestial bodies

c)

Artificial satellites

d)

Star clusters

2.

An asterism is best described as:

a)

A full constellation

b)

A bright star

c)

A recognizable pattern of stars within a constellation

d)

A galaxy cluster

3.

Which of the following is a constellation?

a)

Cassiopeia

b)

Milky Way

c)

Polaris

d)

Kuiper Belt

4.

Stars appear to circle Polaris each night because:

a)

Earth rotates on a tilted axis

b)

Stars orbit around Polaris

c)

Polaris lies near Earth’s rotational axis

d)

Polaris moves opposite Earth’s rotation

5.

Planets move in regular paths around the Sun because of gravity. These paths are called:

a)

Axes

b)

Orbits

c)

Ecliptics

d)

Rotations

6.

Which three constellations are circumpolar for observers in Newfoundland and Labrador?

a)

Orion, Leo, Taurus

b)

Gemini, Leo, Orion

c)

Cygnus, Orion, Aquila

d)

Ursa Major, Ursa Minor, Cassiopeia

7.

When a student watches the Sun “rise” in the east, this motion is actually due to:

a)

Earth rotating west to east

b)

The Sun rotating around Earth

c)

The Moon’s orbit

d)

Earth revolving around the Sun

8.

The imaginary line that planets appear to follow across the sky each year is the:

a)

Meridian

b)

Celestial equator

c)

Ecliptic

d)

Axis 

9.

Which device did early astronomers use to measure a star’s height above the horizon?

a)

Sextant

b)

Astrolabe

c)

Telescope

d)

Compass

10.

Which statement best describes rotation vs revolution?

a)

Rotation = orbit around Sun; revolution = spin on axis

b)

Rotation = spin on axis; revolution = orbit around Sun

c)

Both mean spinning on axis

d)

Both mean travelling around the Sun once a year

11.

Polaris appears fixed in the night sky because:

a)

It is closest to Earth

b)

It moves with the Moon

c)

It is the brightest star

d)

It lies almost directly above Earth’s axis of rotation

12.

The daily motion of the Moon across the sky is a result of:

a)

Earth’s rotation on its axis

b)

The Moon’s own rotation

c)

The Moon’s revolution around Earth

d)

Earth’s revolution around the Sun

13.

Aristotle thought that the universe was:

a)

Infinite and expanding

b)

Geocentric with Earth at its center

c)

Heliocentric

d)

A collection of galaxies

14.

Ptolemy explained Mars’s apparent backward motion using:

a)

Elliptical orbits

b)

Retrograde motion

c)

Epicycles

d)

Parallax

15.

Copernicus proposed a model where:

a)

Earth is at the center

b)

The Sun is at the center

c)

The Moon is at the center

d)

No center exists

16.

Galileo’s telescope observations helped confirm:

a)

The heliocentric model

b)

The geocentric model

c)

The steady-state universe

d)

The Moon is at the center

17.

Which of Galileo’s discoveries supported the heliocentric idea?

a)

Craters on the Moon

b)

Sunspots on the Sun

c)

Rings of Saturn

d)

Moons orbiting Jupiter

18.

Kepler discovered planetary orbits are:

a)

Perfect circles

b)

Elliptical

c)

Irregular

d)

Parabolic

19.

Newton explained planetary motion with his law of:

a)

Universal gravitation

b)

Thermodynamics

c)

Electromagnetism

d)

Inertia

20.

Which early tool allowed sailors to measure the height of a star for navigation?

a)

Telescope

b)

Astrolabe

c)

Compass

d)

Protractor

21.

Why did many people reject the heliocentric model at first?

a)

It contradicted religious beliefs

b)

It was mathematically incorrect

c)

It had no visual evidence

d)

It ignored retrograde motion

22.

Galileo’s work changed science because he:

a)

Used observation and experimentation to test ideas

b)

Predicted black holes

c)

Disproved gravity

d)

Invented the astrolabe

23.

Which of the following is not classified as a planet?

a)

Neptune

b)

Venus

c)

Pluto

d)

Mars

24.

Terrestrial planets are:

a)

Large and gaseous

b)

Small and rocky

c)

Far from the Sun

d)

Composed of ice

25.

Which planet is famous for its extensive ring system?

a)

Jupiter

b)

Saturn

c)

Uranus

d)

Neptune

26.

Which object is best described as a “dirty snowball” with a tail?

a)

Meteor

b)

Moon

c)

Asteroid

d)

Comet

27.

The asteroid belt is found between

a)

Mars and Jupiter

b)

Earth and Mars

c)

Jupiter and Saturn

d)

Neptune and Pluto

28.

Pluto was reclassified as a dwarf planet because

a)

It does not orbit the Sun

b)

It has not cleared its orbit of debris

c)

It is gas-only

d)

It rotates backward

29.

Temporary dark areas on the Sun’s surface are called

a)

Solar prominences

b)

Solar flares

c)

Sunspots

d)

Coronal holes

30.

Solar winds can disrupt Earth’s technology because they

a)

Carry charged particles that interfere with satellites

b)

Increase gravity

c)

Cause tidal waves

d)

Reflect sunlight away

31.

The Sun produces energy through

a)

Nuclear fusion of hydrogen

b)

Nuclear fission of uranium

c)

Gravitational collapse

d)

Chemical combustion

32.

Earth is in the “habitable zone” because it

a)

Is closest to the Sun

b)

Has liquid water and moderate temperatures

c)

Lacks an atmosphere

d)

Has a thin crust

33.

A large circular depression formed by meteor impact is called

a)

Basin

b)

Rift valley

c)

Volcano

d)

Crater

34.

Impact sites on Earth and the Moon show that

a)

Asteroids and meteoroids collided with larger bodies

b)

Earth was once frozen

c)

Continents are drifting

d)

Plate boundaries shift daily

35.

The region around the Sun where fusion occurs is the

a)

Photosphere

b)

Chromosphere

c)

Corona

d)

Core

36.

Auroras are caused by

a)

Solar winds interacting with Earth’s magnetic field

b)

Reflected moonlight

c)

Burning gases

d)

Volcanoes

37.

The Hubble Space Telescope collects

a)

Gamma rays

b)

Visible and ultraviolet light

c)

Sound waves

d)

Solar particles

38.

A space probe differs from a satellite because it

a)

Stays in Earth orbit

b)

Travels beyond Earth orbit to collect data

c)

Is for communication

d)

Cannot transmit data

39.

Which technology was developed to move objects on the ISS?

a)

Hubble

b)

Rover

c)

Canadarm2

d)

Probe

40.

Chris Hadfield’s historic achievement was

a)

First Canadian spacewalk

b)

First Shuttle pilot

c)

First Canadian on the Moon

d)

First Canadian to command the ISS

41.

One risk of manned space missions is

a)

Radiation exposure and low pressure

b)

Excess gravity

c)

High humidity

d)

Too much oxygen

42.

Space exploration benefits society because

a)

It creates new technologies

b)

It reduces scientific jobs

c)

It lowers education

d)

It eliminates pollution

43.

Governments fund space exploration mainly to

a)

Eliminate gravity

b)

Control weather

c)

Replace oxygen

d)

Promote science and innovation

44.

A “light year” measures

a)

Time

b)

Brightness

c)

Distance

d)

Speed

45.

The Big Bang Theory states the universe began

a)

4.5 billion years ago

b)

13.7 billion years ago

c)

1 million years ago

d)

10 million years ago

46.

The Oscillating Theory suggests

a)

Expansion followed by contraction

b)

Continuous expansion

c)

No change

d)

Instant collapse

47.

Two main elements in the early universe were

a)

Iron and oxygen

b)

Hydrogen and helium

c)

Carbon and nitrogen

d)

Silicon and nickel

48.

The Nebular Hypothesis explains that

a)

Planets formed from a rotating cloud of gas and dust

b)

Planets were captured

c)

The Sun collided with another star

d)

The universe never changed

49.

Which unit is used to measure the Earth–Sun distance?

a)

Kilometer

b)

Light Year

c)

Astronomical Unit

d)

Parsec

50.

Light from Alpha Centauri takes about 4.2 years to reach Earth. This means it’s about 4.2 _____ away.

a)

AU

b)

Light years

c)

Billion km

d)

Centuries

51.

A galaxy is

a)

A system of billions of stars bound by gravity

b)

A nebula

c)

A planet system

d)

A black hole

52.

The Milky Way is a

a)

Quasar

b)

Elliptical galaxy

c)

Irregular galaxy

d)

Spiral galaxy

53.

A nebula is

a)

A cloud of gas and dust

b)

A dead planet

c)

A meteor cluster

d)

A comet tail

54.

A low-mass star like the Sun ends as

a)

Black hole

b)

Supernova

c)

Neutron star

d)

White dwarf

55.

A high-mass star ends as

a)

Comet

b)

White dwarf

c)

Neutron star or black hole

d)

Planet

56.

A supernova occurs when

a)

A massive star explodes at the end of its life

b)

Planets collide

c)

Nebula forms

d)

Black hole absorbs light

57.

A black hole forms when

a)

A high-mass star collapses after a supernova

b)

A planet implodes

c)

Two stars collide

d)

A nebula shrinks

58.

A quasar is

a)

A young nebula

b)

A region of intense energy around a supermassive black hole

c)

A type of spiral galaxy

d)

A planet with multiple moons

59.

The life cycle of a low-mass star follows the order:

a)

Nebula → Main sequence → Red giant → White dwarf

b)

Nebula → Supernova → Neutron star

c)

Main sequence → Nebula → Black hole

d)

Protostar → Comet → Planet

60.

Which type of galaxy contains little gas or dust and appears football-shaped?

a)

Spiral

b)

Irregular

c)

Elliptical

d)

Lenticular

61.

Which statement about galaxies is true?

a)

Most galaxies are moving away from each other

b)

All galaxies rotate around Earth

c)

Galaxies never change

d)

All galaxies have identical shapes

62.

The event horizon of a black hole is:

a)

The outer shell of a supernova

b)

The bright ring surrounding a star

c)

The visible surface of a neutron star

d)

The region beyond which nothing can escape its gravity

63.

What does the red shift in the light of distant galaxies tell scientists?

a)

The galaxies are moving away from us

b)

The galaxies are spinning faster

c)

The galaxies are cooling

d)

The galaxies are collapsing inward

64.

The Big Bang Theory is supported by:

a)

Formation of mountain ranges

b)

Slowing planetary rotation

c)

The redshift of light from celestial bodies

d)

Varying star brightness

65.

Which observation could cause scientists to agree more with the oscillation models of the universe?

a)

Galaxies slowing their expansion

b)

Meteorite impact on Earth

c)

Change in star color

d)

Moon’s rotation

66.

What is a nebula sometimes called?

a)

A collapsed galaxy

b)

A star nursery

c)

A frozen asteroid

d)

A dying comet

67.

Which of the following is an example of a Canadian contribution to space exploration?

a)

James Webb Mirror

b)

Hubble Telescope

c)

Apollo Lunar Module

d)

Canadarm2

68.

The main function of a satellite in orbit is to:

a)

Relay communication signals and collect data

b)

Power the ISS

c)

Produce solar flares

d)

Generate artificial gravity

69.

Which of the following was Canada’s first astronaut in space?

a)

Roberta Bondar

b)

Marc Garneau

c)

Chris Hadfield

d)

Julie Payette

70.

Roberta Bondar is recognized as Canada’s:

a)

First astronaut overall

b)

First female astronaut

c)

First mission commander

d)

First Moonwalker

71.

Julie Payette’s career demonstrates the link between:

a)

History and philosophy

b)

Medicine and agriculture

c)

Space science and national leadership

d)

Tourism and exploration

72.

A robotics engineer designing equipment for the ISS combines which areas?

a)

Science and technology

b)

Music and art

c)

Economics and politics

d)

History and geography

73.

One social benefit of space exploration is:

a)

Increased radiation exposure

b)

Fewer communication satellites

c)

Decreased global cooperation

d)

Development of technologies that improve life on Earth

74.

An ethical concern about space exploration is:

a)

Whether telescopes work

b)

Whether the Sun will expand

c)

Why planets rotate

d)

How much funding should be spent on space vs Earth issues

75.

The debate over space exploration funding shows that:

a)

Science often involves balancing costs and benefits

b)

All exploration is wasteful

c)

Space exploration has no risks

d)

Private companies alone should explore space

76.

A career in space research that requires physics and math is:

a)

Astrophysicist

b)

Musician

c)

Chef

d)

Historian

77.

A person who designs and tests spacecraft systems would most likely be a:

a)

Marine biologist

b)

Aerospace engineer

c)

Civil technician

d)

Economist

78.

Which career is most directly linked to studying celestial objects?

a)

Geologist

b)

Chemist

c)

Astronomer

d)

Pilot

79.

An example of a Canadian innovation used internationally in space is:

a)

The Canadarm robotic manipulator

b)

The Mars helicopter

c)

The Apollo capsule

d)

The Soyuz rocket

80.

Which technology allows scientists to view distant galaxies by detecting radio waves?

a)

Spectrometer

b)

Optical telescope

c)

Infrared camera

d)

Radio telescope

81.

A star’s color is mainly determined by its:

a)

Temperature

b)

Size

c)

Distance

d)

Age

82.

The Sun is classified as a:

a)

Supergiant

b)

Medium-sized main sequence star

c)

Neutron star

d)

White dwarf

83.

Which sequence represents a star’s life cycle from birth to death for a high-mass star?

a)

Protostar → Comet → Planet

b)

Nebula → Main sequence → Red giant → White dwarf

c)

Nebula → Protostar → Main sequence → Supernova → Black hole

d)

Nebula → Meteor → Galaxy

84.

Which of the following is evidence that the universe is expanding?

a)

Galaxies show red-shifted light

b)

Earth’s orbit changes

c)

The Sun gets hotter

d)

Stars move randomly

85.

What would be observed if galaxies began moving toward each other?

a)

Blue-shifted light

b)

Red-shifted light

c)

Cosmic rays

d)

Star formation stops

86.

Which force is primarily responsible for the formation of galaxies?

a)

Radiation pressure

b)

Magnetism

c)

Friction

d)

Gravity

87.

The Milky Way contains billions of:

a)

Asteroids

b)

Black holes

c)

Stars

d)

Galaxies

88.

A telescope that uses mirrors to focus light is a:

a)

Reflecting telescope

b)

Refracting telescope

c)

Radio telescope

d)

Infrared sensor

89.

Canada’s space exploration emphasizes:

a)

Robotics, satellites, and astronaut training

b)

Deep-space colonization

c)

Private space travel only

d)

Meteor mining

90.

What is the ultimate fate of the Sun predicted to be?

a)

Supernova then black hole

b)

Collapse into a white dwarf

c)

Shrink into a neutron star

d)

Explode into a quasar

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