What is a physical change?
PMA 2 Review

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•
Science
•
8th Grade
•
Hard
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15 questions
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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. Examples include burning, rusting, and souring.
3.
FLASHCARD QUESTION
Front
Which of the following is NOT a physical change: Mixing concrete, Melting ice, Burning wood, Tearing paper?
Back
Burning wood is NOT a physical change; it is a chemical change.
4.
FLASHCARD QUESTION
Front
What is weight?
Back
Weight is the gravitational force acting on an object, typically measured in newtons or pounds.
5.
FLASHCARD QUESTION
Front
What carries no charge?
Back
Neutrons carry no charge.
6.
FLASHCARD QUESTION
Front
Which of the following is NOT a chemical change: Sour milk, Burning wood, Breaking a pencil, Rust?
Back
Breaking a pencil is NOT a chemical change; it is a physical change.
7.
FLASHCARD QUESTION
Front
Which of the following is NOT a physical change: Crumpled paper, Pencil sharpening, Shrunken clothing, Sour milk?
Back
Sour milk is NOT a physical change; it is a chemical change.
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