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Astronomy_Practice_Test
http://chss.sd57.bc.ca/~spearce/Science_9/Practice%20Tests/AstronomyPractiseTest.htm
True/false. Same story.
1. Revolution is the spinning of an object around an
axis. _______________________
2. The equinoxes occur in March and September. __
3. The same side of the moon is always facing us. __
4. Meteorites are large lumps of trapped rock or metal
that actually reach the Earth’s surface.__________
5. The gas giants are mainly composed of hydrogen
and nitrogen. _________________________
6. In a geocentric model of the universe, the Sun is at
the centre. _________________________
7. The moon revolves around the Earth every 31
days. 8. The neap tides are the weaker type of tide. ___
9. Venus, Mercury, Earth, and Mars are all
considered terrestrial planets. ______________
10.Mars has an atmosphere composed mainly of
nitrogen and oxygen. _________________________
11.Ptolemy devised the heliocentric model. ________
12.Kepler first proposed that the Earth revolves around
the Sun. _________________________
13.It takes Mars longer than Earth to orbit around the
Sun. _________________________
14.The moon is brightest when it is in its first
quarter phase. _________________________
15.The neap tides occur during the new and full moon
phases. _________________________
16.Light from a source moving toward an observer
would have a shift toward the red end of the spectrum.
1.
2.
4.
17.Triangulation is the apparent motion of a nearby
star against the background of more distant, nonmoving stars. ___
18. The outer layer of the Sun is the corona.________
19. Dark spots on the Earth’s surface caused by
disturbances in the Sun’s magnetic field are
called sunspots.______
20. Supernovas produce either a neutron star or a black
hole. _________________________
21. Spiral galaxies are full of new and young stars. ____
22. Our Earth is located in an elliptical galaxy. _______
23. Hotter stars are typically blue in colour. _________
24. Globular clusters usually contain only a few
hundred stars. _________________________
25. The Very Large Array (VLA) located in New Mexico
consists of several microwave telescopes. ______
26. A space probe is an unpiloted spacecraft that leaves
the Earth’s orbit. _________________________
27. Both Spirit and Opportunity were two robotic
rovers sent to the Moon to study its geology. _________
28. An object in geosynchronous orbit will stay in the
same position above Earth. ________________
29. A possible way of bringing people, energy, and
other cargo to and from space would be to build a
space elevator. __
The study of the objects and events beyond the Earth is called
A. Astrology
B. Physics
C. Astronomy
D. Biology
The seasons occur due to
A. the Earth’s elliptical orbit
B. the tilt of the Earth’s axis
C. the Earth’s rotation
D. the Earth’s revolution
Which of the following is the correct order of the initial phases of the moon?
A. new moon, waxing gibbous, full moon, waxing crescent, first crescent
B. new moon, waxing crescent, first quarter, waxing gibbous, full moon
C. full moon, waxing crescent, first crescent, waxing gibbous, new moon
D. new moon, first crescent, waxing crescent, waxing gibbous, full moon
5.
Which of the following phenomena is directly caused by the Earth’s rotation?
A. the seasons
B. the changing photoperiod
C. the solstices
D. day and night
6.
7.
8.
9.
10.
The picture above represents a
A. waxing crescent
B. first quarter
C. waxing gibbous
D. third quarter
When the Earth casts its shadow on the surface of the Moon, a(n) __________ can occur.
A. partial solar eclipse
B. lunar eclipse
C. equinox
D. total solar eclipse
Spring tides are
A. rare
B. common
C. very high
D. especially low
Chunks of frozen matter that orbit the Sun in long elliptical paths are called
A. comets
B. meteors
C. asteroids
D. supernovas
Which of the following planets is not classified as terrestrial?
A. Mars
B. Venus
C. Earth
D. Neptune
11. Scientific evidence suggests that the Earth formed __________ billion years ago.
A. 12.5
B. 4.6
C. 3.2
D. 6.8
12. Which of the following best describes the term “constellation”?
A. a group of stars that travel through space together
B. a group of stars that form a shape or pattern
C. a group of stars that is seen in the same part of the sky
D. a group of stars that are located near each other in space
13 The average surface temperature on this planet ranges from –88C to 58C.
A. Mercury
B. Venus
C. Earth
D. Uranus
14 Which of the following planets has a rotation that is in the opposite direction to other planets?
A. Mercury
B. Earth
C. Venus
D. Mars
15. Which of the following is not considered a true planet?
A. Jupiter
B. Venus
C. Pluto
D. Neptune
17. An astronomical unit is defined as
A. the distance between the Earth and the Moon
B. the distance between the Sun and the Moon
C. the distance between the Earth and the Sun
D. the distance between any two planets
18. Which one of the following scientists first devised a geocentric model of the universe?
A. Nicholas Copernicus
B. Claudius Ptolemy
C. Nicholas Copernicus
D. Galileo Galilei
19. In a heliocentric model of the solar system, choose the statement that would be true.
A. The Earth is at the centre.
B. The planets and stars orbit the Earth.
C. The planets orbit the Sun.
D. The planets and stars orbit the Sun.
20. For a(n) __________ to occur, the new moon must be positioned between the Earth and Sun at a node.
A. lunar eclipse
B. solar eclipse
C. equinox
D. solstice
21. On Earth, there are __________ tide cycles each day.
A. 2
B. 3
C. 5
D. 6
23. It is a scientifically-accepted theory that the origin of the universe occurred approximately:
A. 4.6 billion years ago
B. 10.3 billion years ago
C. 13.7 billion years ago
D. 22.4 billion years ago
25. Which of the following is not useful for measuring distances in space?
A.
B.
C.
D.
26.
star map
parallax
radar
red shift
When astronomers use a baseline to measure objects by parallax, the longest possible baseline they
can use is:
A. the distance from the Earth to the Sun
B. the diameter of the Moon’s orbit
C. the diameter of the Earth’s orbit
D. the distance from the Earth to the Moon
27.
28.
32.
34.
35.
36.
37.
A light year is a measurement of:
A. distance
B. time
C. speed
D. brightness
Triangulation is
A. a direct way of measuring the distance to an object
B. an indirect way of measuring the distance to an object
C. a direct way of measuring angles
D. an indirect way of measuring angles
Solar wind is best described as:
A. dark spots on the solar surface
B. wind on Earth caused by UV radiation
C. an ionized gas emitted from the Sun continuously
D. the outer atmosphere of the Sun
Figure 1 Hertzsprung-Russell diagram
According to Figure 1, blue giants are typically:
A. cooler, dimmer stars
B. cooler, brighter stars
C. hotter, dimmer stars
D. hotter, brighter stars
According to Figure 1, Proxima Centauri is a
A. cooler, dimmer star
B. cooler, brighter star
C. hotter, dimmer star
D. hotter, brighter star
Using Figure 1, determine which type of stars have the hottest surface temperatures.
A. red dwarfs
B. white dwarfs
C. blue giants
D. red giants
What object is most likely to be the birthplace of stars?
A. Supernova
B. Nebula
C. neutron star
D. black hole
38.
39.
40.
41.
42.
45.
46.
Which of the following stars is a type of neutron star?
A. Supernovas
B. white dwarfs
C. Pulsars
D. black holes
Which of the following is not a property of a supernova?
A. it can release large amounts of energy
B. it can turn into a black hole
C. it occurs near the end of a star’s life
D. it is the same as stellar birth
The colour of a star depends on its:
A. temperature
B. size
C. distance
D. Position
Choose the correct order for the life cycle of a Sun-like star.
A. nebula, white dwarf, red giant
B. nebula, supergiant, black hole
C. nebula, red giant, white dwarf
D. nebula, supergiant, neutron star
Which type of galaxy is the Milky Way?
A. elliptical
B. spiral barred spiral
C. spiral
D. irregular
What is the difference between a reflecting and refracting telescope?
A. only one type contains an eyepiece lens
B. only one gathers and focuses visible light
C. only one type produces clear images
D. only one type contains mirrors in its body tube
Select the space probe that discovered the rings of Jupiter.
A. Luna 1
B. Voyager 2
C. Magellan
D. Spirit
50.
The Canadarm2 is:
A. used as a high-powered telescope
B. a probe that is orbiting the Earth
C. used to assist astronauts on the ISS
D. a anti-gravity machine
52.
The process of changing a planetary body to support human life is called
A. terraforming
B. geosynchronizing
C. colonizing
D. cloning
Match each item to the word listed below.
A. comets
E. asteroids
B. outer planets
F. nebula
C. protoplanets
G. supernova
D. meteorites
H. meteors
small chunks of material that burn up in the Earth’s atmosphere
also known as gas giants, and consist mainly of hydrogen and helium
chunks of frozen matter that orbit the sun
small clumps of matter, forced together by gravity that condense to form planets
a collection of dust and gases consisting mainly of hydrogen and helium
lumps of material travelling through space that reach the Earth’s surface
small, rocky, metallic objects that rotate around the sun
a star in its final phases of life
1.
2.
3.
4.
5.
6.
7.
8.
Match each planet to the corresponding description below.
A. Mercury
E. Jupiter
B. Venus
F. Saturn
C. Earth
G. Uranus
D. Mars
H. Neptune
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
about 70% of this planet’s surface is covered by water
this planet spins on its side and has winds of up to 500 km/h
this is the planet closest to the Sun
this is the largest planet in our solar system
this planet has a moon named Triton that revolves around it in the opposite direction to
the planet’s rotation
this gas giant is the least dense of all the planets and currently has over 50 moons
this planet’s atmosphere is composed primarily of carbon dioxide gas
this planet is dry and barren with many craters and reddish soil
Name the terms
a groups of stars, bound together by gravity, that travel together through space
a star that releases enormous amounts of energy and, depending on its mass, will
produce a neutron star or black hole
a type of neutron star that beams out light and very high-energy radio waves
a star-like object that emits powerful radio waves
a collection of dust and gases, mainly hydrogen and helium, that results in the
formation of new stars
the end stage of a supernova that contains such a dense core, that even light cannot
escape
a massive grouping of gas, dust, and stars that can be elliptical, spiral, or irregular.
1. The patterns in the sky that are not official
constellations are called ____________________.
2. The Aquila, Cassiopeia, and Orion are all examples
of ____________________.
3. A ______ is a star in its final phases of life, when it
explodes to many times its original size.
4. Objects that are located beyond the eighth planet
are referred to as ___________________.
5. Impact craters on Earth are caused by _________.
6. The common name for the aurora borealis is the __.
7. The outer planets are also known as the _______ due
to their mass and composition.
8. The _____________ theory is the most widely
accepted theory of the origin of the universe.
9. A mathematical method used to measure interstellar
distances by using the apparent motion of a nearby star
against the background of a more distant, non-moving
star is called _________.
10. Light can travel a distance of _____ in one second.
11. When all of the hydrogen of the Sun is used up, it
will turn into a ____________________.