Page 11 - Science Course 3 (Book 2)
P. 11
Mo8-L1a: What are Physical and Chemical Changes?
Changes in the state of matter are physical changes. What are Chemical Changes?
Melting and boiling are both changes in state. A chemical change is a change in matter in which
the substances that make up the matter change into
other substances with different chemical and physi-
cal properties.
The new substance produced during a chemical
change has different chemical and physical
properties.
Changes in energy cause changes in the state of
matter.
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