What is a chemical change?
Physical and Chemical Changes Test Review!

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Science
•
4th 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
Give an example of a chemical change.
Back
Burning wood is an example of a chemical change because it transforms the wood into ash and smoke.
4.
FLASHCARD QUESTION
Front
Give an example of a physical change.
Back
Melting ice is an example of a physical change because it changes from solid to liquid but remains water.
5.
FLASHCARD QUESTION
Front
What happens to the properties of a substance during a chemical change?
Back
The properties of the original substance change, and new properties of the new substance are formed.
6.
FLASHCARD QUESTION
Front
What is an observation in science?
Back
An observation is a statement based on what you see, hear, or measure, and it can be tested.
7.
FLASHCARD QUESTION
Front
What is an example of an observation?
Back
Saying 'The butterfly has four wings' is an observation.
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