Clarification Statement - S.5.PS.2.1.CS:
“Down” is a local description of the direction that points toward the center of the spherical Earth.

Assessment Boundary - S.5.PS.2.1.AB:
Assessment does not include mathematical representation of gravitational force.

Science and Engineering Practices - 3-5.SEP7.4:
Support an argument with evidence, data, or a model.

Disciplinary Core Ideas - S.5.PS.2.1.DCI:
PS2.B: Types of Interactions •The gravitational force of Earth acting on an object near Earth’s surface pulls that object toward the planet’s center.

Crosscutting Concepts - CC2.4:
Cause and effect relationships are routinely identified, tested, and used to explain change.