Clarification Statement - S.K.PS.1.1.CS:
Emphasis should be on solids and liquids at a given temperature and that a solid may be a liquid at higher temperature and a liquid may be a solid at a lower temperature.

Assessment Boundary - S.K.PS.1.1.AB:
Only a qualitative description of temperature, such as hot, warm, and cool, is expected.

Science and Engineering Practices - PK2.SEP3.1:
With guidance, plan and conduct an investigation incollaboration with peers.

Science and Engineering Practices - PK2.SEP4.1:
Record information (observations, thoughts, and ideas).

Science and Engineering Practices - PK2.SEP4.3:
Analyze data from tests of an object or tool to determine if it works as intended.

Disciplinary Core Ideas - S.K.PS.1.1.DCI:
PS1.A: Structure and Properties of Matter •Different kinds of matter exist and many of them can be either solid or liquid, depending on temperature. Matter can be described and classified by its observable properties.

Crosscutting Concepts - CC2.1:
Simple tests can be designed to gather evidence to support or refute student ideas about causes.

Crosscutting Concepts - CC5.1:
Objects may break into smaller pieces and be put together into larger pieces, or change shapes.