What is a chemical change?
Physical and Chemical Changes

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Science
•
6th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A chemical change is a process where a new substance is produced, involving a change in the chemical composition of the original substance.
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
Examples of chemical changes include burning wood, rusting iron, and baking a cake.
4.
FLASHCARD QUESTION
Front
Give an example of a physical change.
Back
Examples of physical changes include melting ice, slicing bread, and breaking glass.
5.
FLASHCARD QUESTION
Front
What happens to the substance in a physical change?
Back
In a physical change, the substance remains the same at the molecular level, even though its appearance may change.
6.
FLASHCARD QUESTION
Front
What happens to the substance in a chemical change?
Back
In a chemical change, the original substance is transformed into one or more new substances with different properties.
7.
FLASHCARD QUESTION
Front
Is dissolving sugar in water a physical or chemical change?
Back
Dissolving sugar in water is a physical change because the sugar can be recovered by evaporating the water.
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