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HEY STUDENTS! You have a SKY SCIENCE unit exam coming up on Friday,
January27th and it’s time to get reviewing! Please have these questions completed for
class on Thursday January 26th and make note of any questions you may have 
Here is what you can do to get yourself prepared:
 Review all 12 of the SLOs on the sheet I gave you to put at the front of your unit.
 Read over all of your notes and be sure to talk to a friend (or me) if you find you are missing any.
You also have the extra info I emailed home to your parents.
 Answer all of the questions on the study guide below. Start by trying from memory, and then use
your notes. We will go over all of the answers together in class on Thursday so be sure to have
them all completed by Thursday’s class!
 Remember too that you can use tools such as websites and links from class, exambank
(leth.lakie/world), websites we’ve used in class to help you review (see my teacher page)!
 Have a friend or parent quiz you at home!
 Come and see me before Friday if you find there are things you need help with…Friday will be
too late!
Answer all questions on a separate sheet of loose-leaf:
1) What’s the difference between an inner and outer planet (try to name 3)?
2) What is the correct order of the planets in our solar system?
3) What is the difference between a solar system, galaxy and universe? Order them from
smallest to largest.
4) What is a comet? Asteroid? Meteoroid? Meteor? Meteorite?
5) List some examples of things in space that EMIT and that REFLECT light.
6) What is another name for our North star? Why is it so important?
7) Which constellation does the big dipper belong to?
8) What is a constellation?
9) What is the difference between a circumpolar and a seasonal constellation? Name an
example of each.
10) Why do stars (and our sun) appear to change their position in the sky?
11) List 3 reasons stars are hard to see.
12) What are two safe ways to view the sun?
13) What are the two main reasons for our seasons?
14) What are the two main movements of the Earth? What do they cause?
15) Describe and explain the difference in the sun’s rays and in the length of day in all 4
16) When do we have equal amounts of day and night?
17) When is the shortest and longest shadow of the day?
18) What would be two reasons for not seeing a shadow on a cloudless day?
19) In which direction does the sun rise and set?
20) Sketch and label the 8 phases of the moon in order. How many days are there between
each phase change?
21) Why do we ever only see one side of the moon?
22) What is the difference between a solar and a lunar eclipse?
23) How long is an Earth day? An Earth year?
24) Where is the asteroid belt?
25) How many planets in our solar system have moons? What do their moons all share in
common? What sorts of other characteristics do the moons have?
26) Tell which planet has the following characteristics:
a. Closest to the sun
h. Is actually a dwarf planet
b. Largest
i. The “evening star”
c. Has liquid water
j. Is blue/ a great dark spot
d. Known as the red planet
k. Has a moon named Titan
e. Could float in a bathtub
f. Is sideways on its axis
g. Has a giant storm
27) What sorts of technologies do we have that have enabled us to gather information about
outer space and all the bodies in it? How is each one different?