Download Astronomy Unit Study Guide

Astronomy Unit Study Guide
Test Date: Thursday, March 17th
Structure of the Universe
Key Terms:
solar system
planet
star
galaxy
light-year
universe
moon
Review questions:
What is the order of the planets in our solar system? (from the sun)
What is the order of objects in the universe by size?
How are inner planets different from outer planets?
What is a galaxy and what is the name of our galaxy?
Earth’s Days, Years, and Seasons
Key Terms:
 Axis
 Rotation
 Revolution
 Orbit
 Latitude
 Solstice
 Equinox
 Year
 Day
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Indirect light
Direct light
Vernal Equinox
Autumnal Equinox
Winter solstice
Summer solstice
Season
Longitude
Review Questions:
 What causes day & night?
 What causes the seasons? What are the characteristics of each season?
 What is the tilt of Earth’s axis?
 When does the Northern Hemisphere get the most/least direct sunlight?
 When does the Southern Hemisphere get the most/least direct sunlight?
 What is the difference between a solstice and an equinox?
 What is the relative position of the Earth around the sun at each season and the relative
amount of daylight hours and temperatures?
 What is the position of the Earth around the sun during equinoxes and solstices?
Phases and Eclipses
Key Terms:
 Phase
 Eclipse
 Solar Eclipse
 Umbra
 Crescent
 Gibbous
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Waxing
Waning
Full moon
New moon
Penumbra
Lunar Eclipse
Review Questions:
 What causes the phases of the moon and eclipses?
 How long does it take the moon to go through a cycle of phases?
 Why do we only see one side of the moon?
 How long is the moon’s rotation/revolution?
 What is the relative location of the moon around the Earth at each phase?
 What is the relative location of the moon during a lunar and solar eclipse?
 What is the difference between a solar and lunar eclipse?
 Why are you more likely to see a lunar eclipse than a solar eclipse?
WHAT CAN YOU USE FOR STUDYING?
 Notes
 Handouts
 Previous quizzes
 Do Now questions
 This study guide!!
Remember, all the questions listed under “Review
Questions” will not necessarily be on the test. Also, some
questions on the test will refer to the topics listed above,
but not be worded exactly as those listed above. Please see
me if you have any questions. STUDY HARD!!