What is a physical change?
physical chemical changes easy 2023

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•
Chemistry
•
6th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition. Examples include melting, freezing, and dissolving.
2.
FLASHCARD QUESTION
Front
What is a chemical change?
Back
A chemical change is a change that results in the formation of new chemical substances. It involves a chemical reaction and includes changes such as rusting, burning, and rotting.
3.
FLASHCARD QUESTION
Front
What happens during the process of dissolving?
Back
Dissolving is a physical change where a solute (like Gatorade powder) breaks down into smaller particles and spreads evenly throughout a solvent (like water) without changing its chemical structure.
4.
FLASHCARD QUESTION
Front
Is a change in color always a sign of a chemical change?
Back
No, a change in color can indicate a chemical change, but it can also occur in physical changes. For example, when ice melts, it may appear to change color due to impurities.
5.
FLASHCARD QUESTION
Front
What is an example of a physical change?
Back
Cutting paper is an example of a physical change because it alters the shape and size of the paper but does not change its chemical composition.
6.
FLASHCARD QUESTION
Front
What is an example of a chemical change?
Back
The explosion of fireworks is an example of a chemical change because it involves a chemical reaction that produces new substances and energy.
7.
FLASHCARD QUESTION
Front
What is the difference between a physical change and a chemical change?
Back
A physical change does not alter the chemical composition of a substance, while a chemical change results in the formation of new substances.
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