Buoyancy Is the Ability of an Object to Float in a Fluid

question 42

Multiple Choice

Buoyancy is the ability of an object to float in a fluid by ____.

• A)weighing less than the water surrounding it
• B)displacing a volume of water equal in weight to its own weight
• C)displacing a volume of water which weighs slightly more than its own weight
• D)displacing a volume of water which weighs slightly less than its own weight

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Definitions:

Elaborate Shells

Complex and intricately designed outer coverings that protect the bodies of certain animals, like snails and turtles.

Silica

A hard, unreactive chemical compound of silicon and oxygen, used in various industries and forming the major constituent of sand.

Diatoms

Microalgae with silica shells, found in almost every aquatic environment and play a crucial role in oxygen production.

Pseudopodia

Temporary, amoeba-like projections of eukaryotic cell membranes that are used for movement and feeding.