6) Conservation of Mass-SHEET
Passage
•
Science
•
8th Grade
•
Practice Problem
•
Easy
Standards-aligned
Vernon B Washington
Used 8+ times
FREE Resource
7 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
Explain the Law of Conservation of Mass in your own words and provide an example from the passage.
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Why is it important to balance chemical equations according to the Law of Conservation of Mass?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
Evaluate the statement: 'In a chemical reaction, the mass of the products is always greater than the mass of the reactants.' Is this statement true or false? Justify your answer.
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4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes the Law of Conservation of Mass?
Matter cannot be created or destroyed.
The mass of the reactants is always less than the mass of the products.
Chemical reactions do not involve changes in mass.
Energy is conserved in chemical reactions.
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5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main reason chemical equations must be balanced?
To ensure the mass of reactants equals the mass of products.
To make the equation look neat and organized.
To show the energy changes in the reaction.
To identify the reactants and products.
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6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the photosynthesis equation provided, which element has the same number of atoms on both sides of the equation?
Carbon
Nitrogen
Sulfur
Phosphorus
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7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a balanced chemical equation?
2H2 + O2 → 2H2O
H2 + O2 → H2O
2H2 + O2 → H2O2
H2 + 2O2 → H2O
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