Iron Rusting is a

Fireworks Exploding are a

Ripping or tearing paper is a

Ice melting to water is a

Digesting food is a

Water evaporating is a

This type of change is permanant, cannot be reversed, and results in a new substance forming

Placing an alka seltzer tablet in water and causing a gas release is a

This type of change can usually be easily reversed, is not usually permanant, and does not produce a new substance

Water freezing into ice is a

An apple rotting and turning brown is a

Light, heat, or sound being produced is a

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