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PHASES OF THE MOON (PDF)

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					    FOSS PLANETARY SCIENCE COURSE


    INVESTIGATION 9:
    PHASES OF THE MOON




                                                           Courtesy of UCO/Lick Observatory
    GOAL
    Phases of the Moon helps students gain a better understanding of the motions of Earth and the Moon in
    relation to the Sun, which result in the phases of the Moon we observe on Earth.


    OBJECTIVES
    SCIENCE CONTENT
      • Identify and name the phases of the Moon.

    CONDUCTING INVESTIGATIONS
      • Use models of the Sun, Moon, and Earth to explain the mechanics of Moon phases and eclipses.
      • Sequence representations of the phases of the Moon.
    BUILDING EXPLANATIONS
      • Explain the roles of rotation and revolution of Earth and the Moon in the presentation of phases, and
        when and where they are observed in the heavens.
      • Predict relative positions of the Sun, Earth, and Moon when shown a representation of a Moon
        phase.
      • Describe how the Moon revolves around Earth once a month, resulting in the Moon rising about 50
        minutes later each day.

   FULL OPTION SCIENCE SYSTEM                                                                               273
© The Regents of the University of California
                                                       INVESTIGATION 9: PHASES OF THE MOON

                   SYNOPSIS                        OBJECTIVES                           ASSESSMENT
 PART 1

 Study Moon Logs. After writing           • Identify and name Moon phases.       Quick Write
 down their ideas about Moon              • Explain the roles of rotation and    Explain phases
 phases, students update and study          revolution of Earth and the
 their Moon Logs to determine the           Moon in the presentation of
 sequence of changes. Phase                 phases.                              Informal Notes
 vocabulary is developed, followed        • Describe how the Moon revolves
 by study of moonrise in an effort to       around Earth once a month,
 understand the reasons for phases.         resulting in the Moon rising
                                            50 minutes later each day.
 PART 2

 What Causes Moon Phases?                 • Use models of the Sun, Moon,         Teacher Observation
 Students use small polystyrene balls       and Earth to explain the             Model phases
 and a light source to simulate Moon        mechanics of Moon phases and
 phases. They incorporate their small       eclipses.                            Student Journal
 globes into the system to obtain         • Explain the roles of rotation and    Explain phases
 another point of view on Moon-             revolution of Earth and the
 phase mechanics. Finally they use a        Moon in the presentation of
 light source and large Moon globe to       phases, and when and where
 study Sun/Earth/Moon                       they are observed in the
 relationships, including eclipses.         heavens.

 PART 3

 Thinking about Moon Phases.              • Explain the roles of rotation and    Informal Notes
 Students complete a Moon-phase             revolution of Earth and the
 sheet that displays images of phases       Moon in the presentation of          Student Sheet
 from two points of view                    phases.
                                                                                 Looking at the Moon from Earth
 simultaneously. To help them
 visualize the points of view, students
 assemble an Earth/Moon model
 using their globes and polystyrene
 balls.
 PART 4

 Moon-Phase Puzzles. Students             • Sequence representations of the      Teacher Observation
 sequence nine Moon-phase images to         phases of the Moon.                  Sequence phase images
 show an accurate progression             • Predict relative positions of the
 through a month. The sequence is           Sun, Earth, and Moon when            Self-Assessment
 reinforced using peer review and           shown a representation of a          Revise quick write
 multimedia simulation. This part           Moon phase.
 concludes with a self-assessment,
 which allows students to review                                                 Mid-summative Exam 9
 their own learning.
274                                                                             FULL OPTION SCIENCE SYSTEM
© The Regents of the University of California
   AT A GLANCE

           PREPARATION                            STEP-BY-STEP                        MEDIA



   • Update Moon Logs using Lunar         • Assess phase ideas: quick write     FOSS Planetary Science CD-ROM
     Calendar on CD-ROM if                • Introduce phases                    Lunar Calendar
     necessary.                           • Update Moon logs                    Reading
   • Plan time to conduct a quick         • Discuss Moon shape                  Moonrise/Sunrise Data
     write on the subject of phases of    • Develop phases vocabulary
     the Moon.
                                          • Study moonrise data
   • Plan for assessment.
                                          • Moon revolving around Earth
                                          • Determine direction of revolution



   • Make sure your room can be           • Introduce Moon balls                Reading
     darkened or that you have            • Give the Moon-phase challenge       The Search for New Moons
     access to one that can be            • Observe Moon phases
     darkened.                            • Review discoveries
   • Practice installing a handle on a    • Globes and point of view
     Moon ball.                           • Pose inquiry challenges
   • Plan for assessment.                 • Use a globe as a model Moon
                                          • Demonstrate eclipse of Moon
                                          • Revise Moon-phase ideas




   • Practice using straws to             • Introduce student sheet             FOSS Planetary Science CD-ROM
     assemble a small globe and a         • Visualize Moon from space           Day/Night Simulation
     Moon ball into an Earth/Moon         • Visualize Moon from Earth           Phases of the Moon
     system.
                                          • Propose a model
   • Plan for assessment.
                                          • Assemble Earth/Moon model
                                          • Complete the sheets
                                          • Collect materials




   • Cut apart the Moon-phase             • Introduce phase challenges          FOSS Planetary Science CD-ROM
     puzzles, or have a strategy for      • Describe the Moon-phase puzzle      Phases of the Moon
     having students complete this        • Introduce the multimedia
     preparation.                         • Solve the phase puzzle
   • Practice navigating to the           • Conduct peer review
     Moon-phase simulation on the
                                          • Use the multimedia as a class
     FOSS Planetary Science
     CD-ROM.                              • Arrange phase images in a circle
   • Plan for assessment.                 • Mid-summative Exam 9

 PHASES OF THE MOON                                                                                         275
© The Regents of the University of California

				
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Description: Phases of the Moon helps students gain a better understanding of the motions of Earth and the Moon in relation to the Sun, which result in the phases of the Moon we observe on Earth.