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Overview
Physical vs. Chemical Changes: Discover How Matter Transforms
You will learn to identify and classify the two main types of changes in matter and discover why some changes create brand new substances while others do not.
What You'll Learn
You can identify physical changes because no new substance forms.
You will recognize chemical changes by new substances being created.
You will use signs like gas, colour, and heat to classify changes.
You can connect these changes to real-world examples around you.
What You'll Practice
1
You will classify everyday events as physical or chemical changes.
2
You will identify the strongest evidence that a chemical change occurred.
3
You will define key terms like precipitate, oxidation, and exothermic reaction.
Why This Matters
Understanding physical and chemical changes helps you think like a scientist and explain the transformations happening in the world around you every day.
This Unit Includes
Practice exercises
Learning resources
Skills
Physical Change
Chemical Change
New Substance
Oxidation
Reversibility
