Science
Matter & Materials
Language
5–7 yrs
States of Matter Vocabulary
物态词汇
Description
Name and distinguish the three states of matter — solid, liquid, and gas — using properties vocabulary: hard, rigid, runny, flows, keeps its shape, fills its container; use 'change of state' to describe what happens when materials are heated or cooled
Mastery Evidence
- Correctly sort a set of everyday materials as solid, liquid, or gas and give a reason for each
- Use the terms solid, liquid, and gas accurately when describing everyday substances
- Use 'change of state' to describe what happens when ice melts or water boils
Assessment Prompt
If you point to water, ice, and steam from a kettle, can your child correctly call each one a liquid, solid, or gas — and use those words naturally?
Prerequisites 0
No prerequisites (entry-level topic)