Sink or Float

Flashcard
•
Science
•
4th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What does it mean for an object to float?
Back
An object floats when it is less dense than the liquid it is in, allowing it to stay on the surface.
2.
FLASHCARD QUESTION
Front
What does it mean for an object to sink?
Back
An object sinks when it is denser than the liquid it is in, causing it to go to the bottom.
3.
FLASHCARD QUESTION
Front
What is density?
Back
Density is the mass of an object divided by its volume, often measured in grams per cubic centimeter (g/cm³).
4.
FLASHCARD QUESTION
Front
What is buoyancy?
Back
Buoyancy is the ability of an object to float in a fluid, determined by the weight of the fluid displaced by the object.
5.
FLASHCARD QUESTION
Front
What is displacement?
Back
Displacement is the amount of fluid that is pushed aside when an object is placed in it.
6.
FLASHCARD QUESTION
Front
Why do some objects float while others sink?
Back
Objects float if they are less dense than the fluid, and sink if they are more dense.
7.
FLASHCARD QUESTION
Front
What happens to a balloon filled with air in water?
Back
A balloon filled with air floats because it is less dense than water.
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