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Grade 9 Science – Space Study Guide
My Unit Test (chapters 10,11, and 12) is on Wed Nov 18th
Chp 10: Celestial Bodies
1. Observing Celestial Bodies
a. Define celestial body. (352)
b. List examples of constellations and recognize them on a sky chart: (358)
i. Ursa Major, the Great Bear (including the Big Dipper)
ii. Ursa Minor, the Little Bear - (including the Little Dipper)
iii. Orion
iv. Cassiopeia
v. Leo
c. Describe and explain the apparent motion of celestial bodies. (moon, sun, planets,
comets, and asteroids) (359-361)
i. Identify that celestial bodies move in cyclic paths called orbits and that these
orbits result from gravitational forces.
d. Define asterism and know some examples.
e. Define ecliptic (page 359)
2. Early Models of the Universe
a. Describe the contributions made by various individuals to our knowledge and
understanding of celestial bodies and their motions. (Aristotle, Ptolemy, Copernicus,
Galileo, Kepler, and Newton) (366-378) Define geocentric and heliocentric.
b. Describe the structure of the Solar System. (379-380).
Chp 11: Inside Our Solar System
3. The Sun’s Effect on Earth
a. Define and describe how the following phenomena affect life on Earth. (sun-spots,
solar flares, and solar radiation)(390-396)
b. Define and be able to label on a diagram the following features of the sun: Corona,
Photosphere, Solar Flares, Solar Prominence and sun spots.
c. What is the Goldilocks Zone?
d. What is an astronomical unit? (page 399)
4. Characteristics of Celestial Bodies in the Solar System
a. Compare and contrast the composition of the four inner rocky (terrestrial) planets
with the four outer gaseous (Jovian) planets. (398-401)
Explain why Pluto is now called a Dwarf Planet and how it differs from the regular
planets. (403)
b. Describe the composition of Comets. Where do comets originate?(404-406)
c. Compare and contrast asteroid, meteor, meteoroid and meteorite. (403, 406)
d. Know major characteristics of all the planets and order from the sun
e. Know that the Kuiper belt contains dwarf planets and is found beyond the orbit of
Neptune.
f. Know that the Oort cloud is thought to be a source of comets (page 404)
5. Canadian Contributions to Space Exploration
a. List Canadian contributions and partnerships to space research and exploration:
(412-415)
i. The Canadarm 1
ii. The International Space Station
iii. Canadarm 2
iv. Dextre
6. Technologies Used to Explore Space
a. Describe the science underlying some technologies designed to explore space.
(rocket propulsion, space suits, satellite orbiting, probes, rovers, telescopes) (413420)
b. Define geosynchronous orbit (page 417)
Chp 12: The Universe
7. Theories for the Origin of the Universe
a. Define galaxy, solar system, and universe. (428)
b. Describe how Edwin Hubble used red shift analysis to explain how our universe is
expanding. (428-430)
c. Describe theories on the origin and evolution of the universe (Big Bang Theory and
Oscillating Theory) (431-433)
d. Describe theories about the formation of our solar system (nebular hypothesis
versus stellar collision theory)
e. Define a light year. (436)
8. Components of the Universe
a. Describe and classify the major components of the universe. (nebula, spiral and
elliptical galaxies, giant stars, dwarf stars, quasars, and black holes) (444-450)
Study all notes. Review worksheets. Read over your textbook Chapter 10,11,12. Good luck!