SNC1W Astronomy Exam Review 2022-2023 PDF

SNC1W ​ ​ ​ ​ EXAM REVIEW 2022-2023– ASTRONOMY Use your notebook and the textbook to complete all of the following review questions. Textbook Reference pages range from; Chapter 8 – p. 305-355, Chapter 9 – p. 365-398 and Chapter 10 – p. 407-439. 1. a) Number each of...

SNC1W ​ ​ ​ ​ EXAM REVIEW 2022-2023– ASTRONOMY Use your notebook and the textbook to complete all of the following review questions. Textbook Reference pages range from; Chapter 8 – p. 305-355, Chapter 9 – p. 365-398 and Chapter 10 – p. 407-439. 1. a) Number each of the diagrams to show the sequence of the phases starting with the new moon. b) Label the new moon, the full moon, a crescent moon, the first quarter moon, the last quarter moon. c) Approximately how long does it take the moon to go through all of its phases? _____________ d) Approximately how long is the time period between the full moon and the new moon? ___________ e) Approximately how long is the time period between full moon and last quarter? ______________ ​ ​ ​ ​ ​ ​ ​ ​ ____________​ ______________​ ______________​ ______________​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ______________​ ______________​ ______________​ ______________ 2. Draw the alignment you would find the Earth, Moon, and Sun for the following phases ​ (Assume the Sun is always on the right): a) New Moon​ ​ b) First Quarter​ c) Waning Crescent​ ​ d) Full Moon 3. a) Label and complete both of the diagrams to illustrate and explain a solar eclipse and a lunar eclipse, be sure to include the umbra and penumbra. b) Which type of eclipse lasts longer and why? ______________________________ c) Which type of eclipse occurs more frequently and why? _____________________ 4. ​ a) Draw/label a diagram that explains why we have seasons in Canada. b)​ How is this different for those living in the Southern hemisphere? c)​ Explain each term Winter Solstice – Summer Soltice Spring and Fall Equinox – ​ ​ 5. Label the layers of the Sun 6. a) What are the names of the two models of the solar system? ​ i.​ ​ ​ ​ ​ ​ ii. b) Describe difference between two early models of the solar system 7. Retrograde motion is a type of apparent motion. What is meant by the term “ retrograde motion” as applied to planets? 8. What is responsible for the each of following: a) in the Northern hemisphere, Polaris appears to be fixed in the sky _____________________ b) the stars appear to rotate in the night sky ________________________________________ c) day and night on Earth ________________________________________________________ d) the phases of the Moon _______________________________________________________ e) the apparent westward motion of the Sun _________________________________________ f) the seasons _________________________________________________________________ g) tides _______________________________________________________________________ h) star to appear dimmer in the city versus in the country _______________________________ 9. a) Name the planets in order from the sun. SUN- 1- ​ ​ ​ 2- ​ ​ ​ 3- ​ ​ ​ 4- ​ ​ ​ 5- ​ ​ ​ 6- ​ ​ ​ 7- ​ ​ ​ 8- b) What is the asteroid belt and where is it located? ___________________________________________ c) What is an astronomical unit? ___________________________________________________________ ​ 10. H-R Diagrams i)​ Label the following groups of stars on the H-R diagram above: a)​ Red Giants​ ​ b) Main-Sequence​ c) White dwarfs ii)​ In the space provided above, a.​ Describe the properties (size and temperature) of the groups b.​ List what process is occurring in the core of those groups. iii)​ Regarding Main-Sequence stars, which stars have the shortest lifespans? Why __________________________________________________________________ iv)​ What is a planetary nebula? _______________________ v)​ What are three possible deaths of stars? _________________________ _________________________ _________________________ 11. What is the order a star similar to our Sun would take as it evolves from a Nebula to a White dwarf? i)​ _____________________________ ii)​ _____________________________ iii)​ _____________________________ iv)​ _____________________________ v)​ _____________________________ vi)​ _____________________________