The Law of Conservation of Mass
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
+4
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Law of Conservation of Mass?
Back
The Law of Conservation of Mass states that in a closed system, the total mass of reactants before a chemical reaction is equal to the total mass of products after the reaction. Matter cannot be created or destroyed.
Tags
NGSS.MS-PS1-5
2.
FLASHCARD QUESTION
Front
How does a balanced chemical equation demonstrate the Law of Conservation of Mass?
Back
A balanced chemical equation shows that the total number of atoms of each element is the same on both sides of the equation, indicating that mass is conserved during the reaction.
Tags
NGSS.MS-PS1-5
3.
FLASHCARD QUESTION
Front
If a chemical reaction starts with 20g of reactants, what is the total mass of the products?
Back
The total mass of the products will also be 20g, according to the Law of Conservation of Mass.
Tags
NGSS.MS-PS1-5
4.
FLASHCARD QUESTION
Front
Back
Tags
NGSS.MS-PS1-1
5.
FLASHCARD QUESTION
Front
Back
Tags
NGSS.MS-PS1-1
6.
FLASHCARD QUESTION
Front
Back
Tags
NGSS.MS-PS1-1
7.
FLASHCARD QUESTION
Front
What happens to the mass of a substance during a chemical reaction in a closed system?
Back
The mass of the substance remains constant; it does not change during the reaction.
Tags
NGSS.MS-PS1-5
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