What does the law of conservation of matter state?
Conservation of Matter Flashcard

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Science
•
4th Grade
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1.
FLASHCARD QUESTION
Front
Back
The law of conservation of matter states that matter cannot be created or destroyed in an isolated system; it can only change forms.
2.
FLASHCARD QUESTION
Front
If 100 grams of ice melts, what is the mass of the water produced?
Back
100 grams.
3.
FLASHCARD QUESTION
Front
What is the total mass of a solution made by dissolving 50 grams of salt in 300 grams of water?
Back
350 grams.
4.
FLASHCARD QUESTION
Front
True or False: When ice melts into water, it becomes a different type of matter.
Back
False.
5.
FLASHCARD QUESTION
Front
What is an example of a physical change?
Back
Melting ice.
6.
FLASHCARD QUESTION
Front
What happens to the mass of matter during a physical change?
Back
The mass remains the same.
7.
FLASHCARD QUESTION
Front
What is the difference between a physical change and a chemical change?
Back
A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.
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