X1014061650-00301-61615</DOCNO> 8th Grade chemical Change Chemical changes are changes substances undergo when they become new or different substances.
(8th Grade chemical Change Chemical changes; are; changes substances undergo) (substances; undergo; T:when they become new or different substances) (they; become; new or different substances)
8th Grade chemical Change Chemical changes substances they
are undergo become
changes substances undergo
T:when they become new or different substances
new or different substances