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Physical Features: Phases of the Moon. P1 - Time for the Moon to orbit around the Earth once P2 - Direction of the Moon’s rotation around the Moon P3 - Time for the Moon to complete its cycle of phases. P4 - Cause of Phases P5 - General Direction of the Moon’s rising
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Physical Features: Phases of the Moon • P1 - Time for the Moon to orbit around the Earth once • P2 - Direction of the Moon’s rotation around the Moon • P3 - Time for the Moon to complete its cycle of phases. • P4 - Cause of Phases • P5 - General Direction of the Moon’s rising • P6 - Change in phase over time • P7 - Phase and Sun-Earth-Moon positions • P8 - Phase - location in sky - time of observation relationship • P9 - Effect on Moon phase with Change in location on Earth
Conceptual Gain by physical feature • P1 - Time for the Moon to orbit around the Earth once (1.0) • P2 - Direction of the Moon’s rotation around the Moon (.69) • P3 - Time for the Moon to complete its cycle of phases. (.95) • P4 - Cause of Phases (.78) • P5 - General Direction of the Moon’s rising (.77) • P6 - Change in phase over time (-.026) • P7 - Phase and Sun-Earth-Moon positions (.47) • P8 - Phase - location in sky - time of observation relationship. (0.46) • P9 - Effect on Moon phase with Change in location on Earth (.67) Pre Average: 39 Post Average: 77
% 100 % 100 Incorrect Incorrect Correct Correct 80 80 Null Null 60 60 40 40 20 20 0 0 V1 V2 V3 V1 V2 V3 Astronomy: Phases of Moon with Physical Feature P7 • Correct - Phases caused by shadow of the Earth • Incorrect - Phases caused by Alignment of Earth/Sun and Moon • Null Model