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Astronomy Review
Name __________________
1) At noon in Toronto shadows are
A) short, to the north B) shortest to the north
2) At 2 PM in Toronto the Sun is
A) SE
B) SW
C) short, to the south
C) NE
D) shortest, to the south
D) NW
3) At 3 PM in Toronto in June the Sun is ___________ than at 3 PM in December
A) higher
B) lower
C) hotter
D) colder
4) The day in Toronto in June is ________ than the day at the South Pole in June
A) longer, brighter B) longer, dimmer
C) shorter, brighter D) shorter, dimmer
5) Which constellation is easiest to see in the summer?
A) Orion
B) Cygnus
C) Big Dipper
6) The ecliptic is a circular path where you can see the
A) planets, moon
B) moon, zodiac constellations
D) Aquarius
C) planets, zodiac constellations D) all 3
7) When can you see Scorpius most easily?
A) spring
B) summer
C) winter
D) fall
8) At sunset tonight the Moon will be
A) southwest
B) south east
C) south
D) below the horizon
9) If the Moon is a half moon, with the right side bright, then at sunset the Moon is
A) south east
B) southwest
C) south
D) below the horizon
10) Weak tides occur when there is a
A) full moon
B) new moon
C) half moon
D) blue moon
11) You can calculate the mass of the Sun by measuring the speed and distance of the orbit of
A) Pluto, Ceres
B) Saturn, Ceres
C) Saturn, Pluto
D) all three
12) A planet will have a longer year if _______ is bigger
A) its orbital radius
B) the planet’s mass C) the Sun’s mass
13) Why doesn’t the ISS fall down? Because the ISS is moving
A) sideways, out of the atmosphere B) fast, out of the atmosphere
D) all three
C) sideways, fast D) all three
14) Pluto is similar to the other dwarf planets because it has
A) an eccentric orbit
B) a tilted orbit
C) not cleared its orbit
D) all three
15) The Gas Giants are different from the rocky planets because they have
A) many moons, rings B) circular orbits, rings C) circular orbits, many moons
16) Earth is most similar to Mars because of its
A) radius, density
B) atmosphere, density
C) atmosphere, radius
D) all 3
D) all three
17) If the Earth is represented by a beach ball then the Moon is like a _____ orbiting _______ away
A) pea, 1 m
B) pea, 10 m
C) orange, 1 m
D) orange 10 m
18) The Earth has a radius of 6.38 x 106 m. If we shrink it a thousand million times, it will be like a
A) pea
B) grape
C) grapefruit
B) watermelon
19) If a galaxy looks brighter you know that it must be
A) closer
B) more luminous
C) closer or more luminous
D) closer and more luminous
20) Parallax is used to measure the distance to
A) stars, galaxies
B) planets, galaxies
D) all three
C) planets, stars
21) Astronomers measure distance using the brightness and luminosity of
A) standard candles B) flashlights
C) planets
D) all three
22) A ‘cold’ star is also
A) large
B) small
C) blue
D) red
23) A star that starts out being very luminous star is also
A) short lived, blue B) large, blue
C) large, short lived
24) Main sequence stars can be extremely
A) small and hot
B) large and cool
D) all three
C) small and cool
D) all three
25) At the end of its life a medium-sized star may become which of the following?
A) white dwarf
B) red dwarf
C) blue dwarf
D) all three
26) The white dwarf stage of a star’s life is like when a person who is
A) a baby
B) teenager
C) adult
D) elderly
27) At the end of its life a large-sized star goes through these stages in this order
A) red giant, white dwarf, black dwarf
B) red giant, black dwarf, white dwarf
C) supernova, black dwarf
D) supernova, black hole
28) The solar nebular theory explains how the solar system formed. Which of the following is false?
A) it started as a cloud of dust and gases
B) gravity pulled most of this gas and dust together to form the planets
C) material that was not moving sideways fast enough becomes the Sun
D) when temperature and pressure is high enough, the Sun starts to burn hydrogen to form helium
29) Which of the following observations does not support the solar nebula theory?
A) The four inner planets have few or no moons
B) The gas planets are farther from the Sun than the four inner planets
C) All the planets orbit in the same direction
D) The orbits of Pluto and the other distant dwarf planets are tilted in different directions.
30) Planets orbiting other stars are hard to detect because they
A) only reflect light, are very small
B) are far away, are very small
C) are far away, only reflect light
D) all three
31) Planets orbiting other stars are found by looking at how their Sun
A) becomes dimmer periodically, gets smaller periodically
B) wobbles, gets smaller periodically
C) wobbles, becomes dimmer periodically
D) all three
32) Which of the following the objects are arranged from smallest to largest?
A) solar system, cluster, galaxy
B) solar system, galaxy, cluster
C) cluster, solar system, galaxy
D) cluster, galaxy, solar system
33) The speed of galaxies is measured using
A) parallax
B) the Doppler Shift
C) radar
D) relativity
34) The lines in a galaxy’s spectrum provide information that determines the _______ of the galaxy.
A) speed, composition
B) mass, composition C) mass, speed
D) all three
35) Measurements of the light of faraway galaxy’s show that they all are
A) old, red-shifted B) red, red-shifted
C) red, old
36) The name ‘Big Bang’ is a poor one because
A) there was no centre, it wasn’t big
C) there was no sound, there was no centre
D) all three
B) there was no sound, it wasn’t big
D) all three
37) Evidence that supports the Big Bang Theory comes from
A) microwave background, ancient echoes
B) galaxy red-shifts, ancient echoes
C) galaxy red-shifts, microwave background
D) all three
38) At the start, 13.8 billion years ago, the universe was much
A) smaller, brighter B) smaller, hotter
C) brighter, hotter
D) all three
39) What arranges objects in order from their first appearance in the universe?
A) light, stars, galaxies B) light, galaxies, stars C) stars, light, galaxies D) stars, galaxies, light
Test format:
25 multiple choice questions, 1 mark each
Four extended response questions, 6 marks each
Extended response questions: There will be one from each category.
1) Observation and explanation of observations that can be made without telescopes
 The changing seasons, shadows of the Sun
 The changing shape and location of the Moon
 The changing position of planets and stars (using the star chart)
2) Objects in the Solar system
 Types of planets – characteristics
 What causes orbits? How do you measure the mass of the Sun and the planets?
 How do you measure the distances to the planets and nearby stars?
 Types and uses of satellites.
3) Objects in the Galaxy
 Types of stars- characteristics
 What causes stars to shine and to stop shining?
 How do you measure the distances to distant stars?
 How do you measure the temperature, composition and sizes of stars?
4) Objects in the Universe
 How do stars form?
 How do stars group together?
 How did the universe form? What is the evidence?
Suggested textbook review questions;
Chapter 8 Review
p. 356
3, 4, 7, 8, 9, 11, 13, 17, 18, 20, 21, 25, 26, 30
Chapter 8 Self-Quiz
p. 358
2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 18, 21
Chapter 9 Review
p. 400
1, 2, 4, 5, 7, 10, 11, 12, 13, 17, 18, 19, 20, 21, 23, 26, 29, 32
Chapter 9 Self-Quiz
p. 402
9, 10, 11, 12, 14, 15, 18, 19, 20, 21, 24. 25