Physical and chemical changes
Physical Change (5 lines)
No new substance is formed.
Only shape, size, or state changes.
Often reversible.
Properties remain the same.
Example: ice melting, cutting paper.
Chemical Change (5 lines)
A new substance is formed.
Properties completely change.
Usually irreversible.
Heat, light, or gas may be produced.
Example: burning wood, rusting iron.
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