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 substances combine or break apart to form new substances with different properties.
2.
FLASHCARD QUESTION
Front
What is a physical change?
Back
A physical change is a process that alters the form or appearance of a substance without changing its chemical composition.
3.
FLASHCARD QUESTION
Front
Give an example of a chemical change.
Back
Baking cake batter in an oven is an example of a chemical change, as it transforms the batter into a new substance.
4.
FLASHCARD QUESTION
Front
Give an example of a physical change.
Back
Shredding a piece of paper is an example of a physical change, as the paper's composition remains the same.
5.
FLASHCARD QUESTION
Front
What happens to wood when it is burned?
Back
When wood is burned, it undergoes a chemical change, producing ash, smoke, and gases.
6.
FLASHCARD QUESTION
Front
What is rust, and how does it form?
Back
Rust is a chemical change that occurs when iron reacts with oxygen and moisture, forming iron oxide.
7.
FLASHCARD QUESTION
Front
What is the significance of color change in copper roofs?
Back
The color change in copper roofs is a chemical change due to the formation of patina, which occurs when copper reacts with oxygen and other elements.
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