What is a chemical change?
Physical and Chemical Changes 2.1

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•
Chemistry
•
6th - 8th 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 change that affects one or more physical properties of a substance without altering its chemical composition.
3.
FLASHCARD QUESTION
Front
Is rusting a chemical change?
Back
Yes, rusting is a chemical change because it involves the reaction of metal with oxygen to form rust.
4.
FLASHCARD QUESTION
Front
Is photosynthesis a chemical change?
Back
Yes, photosynthesis is a chemical change as it transforms carbon dioxide and water into glucose and oxygen.
5.
FLASHCARD QUESTION
Front
What happens during digestion?
Back
During digestion, food undergoes chemical changes to break down into smaller molecules that the body can absorb.
6.
FLASHCARD QUESTION
Front
What is an example of a physical change?
Back
An example of a physical change is melting ice into water.
7.
FLASHCARD QUESTION
Front
What is an example of a chemical change?
Back
An example of a chemical change is burning wood, which produces ash and gases.
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