When Ice Floats in Water, a Small Part of It

question 31

Multiple Choice

When ice floats in water, a small part of it extends above the surface. Interestingly enough, the volume of ice that extends above the surface is equal to the volume of the

• A) vast number of open spaces in the hexagonal ice crystals.
• B) water the ice displaces.
• C) both of these
• D) neither of these

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Definitions:

Lubricating Properties

The quality of substances to reduce friction between surfaces in contact, often by the application of oils or greases.

Rigidity

The physical property of a material or tissue to resist deformation; in a medical context, often refers to increased muscle tone where muscles feel stiff.

Plane Joint

A type of synovial joint that allows for gliding movements between bones.

Opposing Flat Surfaces

Two surfaces facing each other with minimal curvature, typically parallel, allowing for close contact or interaction.