Expansion and contraction Expansion is adding heat energy to a substance, which causes the molecules to move more quickly and the substance to expand. Contraction is when a substance loses heat energy, the molecules slow down, and the substance contracts. Water as a special case: water expands when it changes from a liquid to a solid
Standard detail
6.S.IV.C.5
Depth 2Parent ID: EAF82405842A456B8377EEFEC0AE4AFAStandard set: Six
Original statement
Quick facts
- Statement code
- 6.S.IV.C.5
- List ID
- 5
- Standard ID
- C5D7072EC3FB4220BFCFEEF5C2C63BFC
- Subject
- Science
- Grades
- 06
- Ancestor IDs
- EAF82405842A456B8377EEFEC0AE4AFAD2F20CD9DC08449EB86A0423D7818A54
- Source document
- Core Knowledge
- License
- CC BY 4.0 US