Exercise
Form 13: Applications of Buoyancy (Submarines & Balloons)
In this engaging exercise, students will explore the principles of buoyancy through real-world applications, focusing on how submarines dive and rise in water and how balloons float in the air. Through hands-on experiments and problem-solving activities, learners will gain a deeper understanding of Archimedes' principle while developing critical thinking skills.
Questions
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MultiChoice
How does a submarine increase its average density to dive under water?
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MultiChoice
How does a submerged submarine surface back to the water top?
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MultiChoice
Which instrument uses buoyancy principles to measure liquid density?
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MultiChoice
A hydrometer floats deeper in low-density liquid because:
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MultiChoice
Why can a huge ship made of dense steel float on water?
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MultiChoice
To make a hot air balloon rise, the pilot:
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MultiChoice
How does a life jacket keep a person afloat?
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MultiChoice
Which organ do bony fish use to control their average density and maintain depth in water?
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MultiChoice
When a submarine is hovering at a steady depth underwater:
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MultiChoice
A hot air balloon pilot descends by:
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MultiChoice
When testing battery acid with a hydrometer, a denser liquid produces:
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MultiChoice
When a swimmer inhales deeply, filling their lungs with air, what happens to their average body density?