Chemical and Physical Changes

Flashcard
•
Science
•
8th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a physical change?
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 changes the molecular structure of the substance.
3.
FLASHCARD QUESTION
Front
What happens to ice when it melts in coffee?
Back
The ice melting is a physical change because the water may be frozen again.
4.
FLASHCARD QUESTION
Front
What is a physical property?
Back
A physical property is a characteristic of a substance that can be observed or measured without changing the substance's chemical identity. Examples include color, taste, and boiling point.
5.
FLASHCARD QUESTION
Front
What is a chemical property?
Back
A chemical property is a characteristic of a substance that becomes evident during a chemical reaction. Examples include flammability and reactivity.
6.
FLASHCARD QUESTION
Front
What is flammability?
Back
Flammability is a chemical property that describes how easily a substance can catch fire and burn.
7.
FLASHCARD QUESTION
Front
What is an example of a physical change?
Back
Inflating a tire with air is an example of a physical change.
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