Chemical and Physical changes
Irreversible and Reversible
100

Ice melting

Physical Change

100

Rusting of Iron

Irreversible

200

What are the types of changes in matter?

physical and chemical changes

200

Chopping wood

Reversible

300

What is Chemical change?

process where substances transform into new substances with different properties  

300

Cooking and egg

Irreversible

400

What is Physical change?

alters a substance's form or appearance but not its chemical composition.

400

Dissolving sugar in water

Reversible

500

Give 3 examples of chemical changes.

rusting of iron, burning wood, and cooking an egg

500

Give 3 examples of Reversible and Irreversible.

Reversible: Melting ice, Dissolving sugar in water, and Folding paper. 

Irreversible: Burning paper, Cooking an egg, and Rusting of iron.

 

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