Conservation of Mass
Flashcard
•
Physics
•
5th Grade
•
Practice Problem
•
Hard
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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 mass is neither created nor destroyed in a chemical reaction. The total mass of the reactants equals the total mass of the products.
2.
FLASHCARD QUESTION
Front
If you tear a piece of paper, what happens to its weight?
Back
The weight stays the same, even though the paper is in smaller pieces.
3.
FLASHCARD QUESTION
Front
What happens to the weight of a closed container of water after some water evaporates?
Back
The weight of the container remains the same as it was before evaporation.
4.
FLASHCARD QUESTION
Front
How do you calculate the total weight of a sandwich made from different ingredients?
Back
Add the weight of each ingredient together. For example, a 1 oz slice of bread with 2 oz of peanut butter and 1 oz of jelly weighs 4 oz in total.
5.
FLASHCARD QUESTION
Front
What is the mass of an object after it has been boiled?
Back
The mass remains the same as it was before boiling, assuming no material has been added or removed.
6.
FLASHCARD QUESTION
Front
If you add ice cubes to a glass of water, what happens to the total weight after the ice melts?
Back
The total weight of the glass of water will increase by the weight of the ice cubes added.
7.
FLASHCARD QUESTION
Front
What is an example of a physical change?
Back
Tearing a piece of paper is a physical change because the paper's mass remains the same.
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