What is a chemical change?
Chemical and Physical Changes

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•
Science
•
5th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A chemical change is a process where one or more substances are transformed into new substances with different properties.
2.
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.
3.
FLASHCARD QUESTION
Front
Give an example of a chemical change.
Back
Rust forming on an iron fence is an example of a chemical change.
4.
FLASHCARD QUESTION
Front
What happens to the mass of matter during a physical change?
Back
The mass of matter remains the same during a physical change, as no new substances are created.
5.
FLASHCARD QUESTION
Front
What is the law of conservation of mass?
Back
The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction; it is conserved.
6.
FLASHCARD QUESTION
Front
What is an example of a physical change?
Back
Dissolving salt in water is an example of a physical change.
7.
FLASHCARD QUESTION
Front
What is the difference between a chemical change and a physical change?
Back
A chemical change results in the formation of new substances, while a physical change does not change the chemical composition of the substance.
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