HS-ESS1-7: Cyclic Changes

Construct an explanation using evidence to support the claim that the phases of the moon, eclipses, tides and seasons change cyclically.

Clarification Statement:   Emphasis of the explanation should include how the relative positions of the moon in its orbit, Earth, and the Sun cause different phases, types of eclipses or strength of tides. Examples of evidence could include various representations of relative positions of the Sun, Earth and moon.

Assessment Boundary:  Assessment does not include mathematical computations to support explanations but rather relies on conceptual modeling using diagrams to show how celestial bodies interact to create these cyclical changes.

Evidence Statement

Patterns
Earth
Moon
Sun
Moon phases
Eclipses
Tides
Seasons
Orbit

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