Exercise
Form 10: Open vs Closed Systems
In this engaging exercise, students will explore the fundamental differences between open and closed systems by participating in interactive experiments and class discussions, ultimately understanding how these concepts apply to real-world scenarios in science and engineering.
Questions
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MultiChoice
What defines a closed system in a laboratory experiment?
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MultiChoice
An uncovered beaker containing vinegar and baking soda is an example of what type of system?
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MultiChoice
A sealed flask containing vinegar and baking soda is an example of what type of system?
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MultiChoice
When baking soda and vinegar mix in an open beaker, the mass decreases. Why?
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MultiChoice
When baking soda and vinegar mix inside a sealed glass bottle, what happens to the total mass?
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MultiChoice
An iron nail left outside gains mass as it rusts. How does this obey the Law of Conservation of Mass?
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MultiChoice
Why does a burning candle appear to lose mass over time?
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MultiChoice
How could a student demonstrate mass conservation when burning a candle?
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MultiChoice
What type of system allows matter to enter or escape?
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MultiChoice
Which scientific law explains why total mass remains unchanged in a closed system?
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MultiChoice
When antacid tablets dissolve in water inside a tightly sealed bag, what happens to the total mass of the bag and contents?
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MultiChoice
If a student measures 50 g of reactants before a reaction and 45 g of products after, what is the most likely explanation?