Understanding Physical and Chemical Changes in Substances

Explore the differences between physical and chemical properties of substances, including observations that do not change the substance or mixture and those that result in something new. Learn to identify signs of a chemical change and remember them with handy cheat sheets. Understand how physical changes may alter the size, shape, or phase of a substance without changing its fundamental nature.

• Physical changes
• Chemical changes
• Properties
• Observations
• Signs

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Uploaded on Sep 14, 2024 | 0 Views

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1. and

2. Physical Properties Observations that DO NOT CHANGE the substance or mixture Smell Touch Measure Hear See Taste

3. Chemical Properties Describes how the substance or mixture will react with another Combustibility Flammability Ability to React These observations CHANGE it into something new

4. Physical Changes and Chemical Changes

5. Signs of a Chemical Change Cheat Sheet! Precipitant is formed (liquids make a Solid) Energy change (Temperature or Light) Color change - Smell is produced Bubbles (gas) released -

6. TO HELP YOU REMEMBER: Chemical Change Cheat Sheet! Please Precipitant Excuse Energy change Coughs Color change Sneezes and Smell produced Burps Bubbles, gas produced

7. Signs of a Physical Change It can change size or shape (cut) (dissolve) It can change phases BUT IT IS STILL THE SAME!!!