What shape does a liquid take?
AnswerThe shape of its container
Liquids have a fixed volume but flow to fill their container's shape.
Science · Facts & stats
Liquid facts & stats
7 fact-checked facts about liquids, fluids and the science of how they flow, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
What is a liquid turning into a solid called?
AnswerFreezing
Freezing is the change from liquid to solid.
Going deeper
What does viscosity measure?
AnswerA fluid's resistance to flow
Honey has high viscosity; water has low viscosity.
What lets some insects walk on water?
AnswerSurface tension
Water molecules cling together, forming a skin-like surface.
Which is the only nonmetal element that is liquid at room temperature?
AnswerBromine
Bromine is a red-brown liquid at room temperature.
Expert level
Which metal melts at about 30 °C, low enough to melt in a warm hand?
AnswerGallium
Gallium melts at about 29.8 °C.
What is the SI unit of dynamic viscosity?
AnswerPascal-second
Viscosity is measured in pascal-seconds; the older CGS unit is the poise.
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