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Table of Contents

GRADE 8 SCIENCE Assessment Anchors

Performance Averages over Time
2017 2018 2019
Mean Max Percent Mean Max Percent Mean Max Percent
S.A 21 33 63.5 14.0 23 60.8 16.4 25 65.4
S.A.1 7.9 13 60.5 3.9 6 64.7 4.4 6 73.1
S.A.2 8.6 13 65.9 5.3 9 58.4 5.7 9 63
S.A.3 4.5 7 64.8 4.8 8 60.6 6.3 10 63
S.B 6.9 11 62.3 5.4 9 60.2 4.6 8 57
S.B.1 2.3 3 75.1 1.9 3 64.5 2.3 5 47
S.B.2 2.5 4 62.2 1.8 3 60.4 0.7 1 73.4
S.B.3 2.1 4 52.9 1.7 3 55.7 1.5 2 74
S.C 6.8 12 56.5 4.7 8 58.5 5.1 8 63.2
S.C.1 1.9 3 63 1.5 3 50.6 1.5 3 49.9
S.C.2 3.6 6 59.3 1.1 2 53.1 2 3 66.8
S.C.3 1.3 3 44.6 2.1 3 70.1 1.6 2 77.7
S.D 5.7 12 47.7 3.6 8 44.7 4.1 7 58.1
S.D.1 5.3 11 48.2 2.1 5 42.3 2.4 4 60.2
S.D.2 0.4 1 42.2 0.5 1 47.2 0.4 1 45
S.D.3 Not Tested 1.0 2 49.3 1.2 2 60.5

Anchor Descriptors

S.A Nature of Science
S.A.1 Reasoning and Analysis
S.A.2 Processes, Procedures, and Tools of Scientific Investigation
S.A.3 Systems, Models, and Patterns

S.B Biological Sciences
S.B.1 Structure and Function of Organisms
S.B.2 Continuity of Life
S.B.3 Ecological Behavior and Systems

S.C Physical Sciences
S.C.1 Structure, Properties, and Interactions of Matter and Energy
S.C.2 Forms, Sources, Conversions, and Transfer of Energy
S.C.3 Principles of Force and Motion

S.D Earth and Space Sciences
S.D.1 Earth Features and Processes that Change Earth and its Resources
S.D.2 Weather, Climate, and Atmospheric Processes
S.D.3 Composition and Structure of the Universe

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