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References & Edit History Related Topics

Images & Videos

snowflake on a wool coat

Which has a lower freezing point, salt water or fresh water?

How do snowflakes form?

melting ice cubes

Figure 7: Thin section photographs illustrating snow-to-ice transformation at the depths of (left) 1 metre,

Are all snowflakes actually unique?

How do fish survive under icy lakes in winter?

How did people keep food cold before refrigerators?

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Glacier off coast of Argentina, South America. (glacial; snow; ice; blue ice; melting glacier)

What’s the Difference Between a Glacier and an Ice Floe?

winter ice melting salt on the ground, pattern as background

Why Does Salt Melt Ice?

Iceberg, Arctic (polar, environment, global warming)

Why Does Water Freeze from the Top Down?

Discover

Statue of Nostradamus

Nostradamus and His Prophecies

Scolex (head) of the tapeworm Taenia solium. The hooks of the scolex enable the tapeworm to attach to the intestinal wall.

Uninvited Guests: The 7 Worst Parasitic Worms

African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

Lake Mead (the impounded Colorado River) at the Hoover Dam. The light-coloured band of rock above the shoreline shows the decrease in water level in the first few years of the 21st century.

6 Lakes That Are Drying Up

Dancers at a Cinco de Mayo festival at the Mission District, San Francisco, California. (Photo dated 2019.) holidays

Is Cinco de Mayo Mexico's Independence Day?

Nelson Mandela, undated photo.

15 Nelson Mandela Quotes

New York NY/ USA- November 23, 2018 Hordes of shoppers throng the Macy's Herald Square flagship store in New York looking for bargains on the day after Thanksgiving, Black Friday.

Why Is It Called Black Friday?

ice: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Last Updated: Jun 14, 2025

News •

75 Democrats Express 'Gratitude' to ICE in Antisemitism Vote Amid LA Riots • June 10, 2025, 12:05 AM ET (Newsweek)

Judge extends order blocking ICE from arresting Columbia University student Yunseo Chung • May 30, 2025, 4:56 AM ET (CBS)

ICE to release Georgia teen who was arrested after now-dismissed traffic charges • May 21, 2025, 11:44 AM ET (CBS)

Mass. sheriff to ICE and public: ‘Everybody just needs to take a step back’ • May 16, 2025, 2:54 AM ET (NBC)

Photos and Videos

snowflake on a wool coat

melting ice cubes

Figure 7: Thin section photographs illustrating snow-to-ice transformation at the depths of (left) 1 metre,

Which has a lower freezing point, salt water or fresh water?

How do snowflakes form?

Are all snowflakes actually unique?

How do fish survive under icy lakes in winter?

How did people keep food cold before refrigerators?

See All Videos and Images →

Topics

c-axis ice crystal columnar ice glacier iceberg ice in lakes and rivers sea ice intracrystalline gliding ice floe pressure ridge steam salinity hydrate Do Fish Drink Water?hard water Why Is The Ocean Blue?heavy water anomalous water soft water

Dig Deeper: More Articles That Discuss This Topic

Key People

Leslie, Sir John

Sir John Leslie

Scottish physicist and mathematician

Quiz

water glass on white background. (drink; clear; clean water; liquid)

Water and its Varying Forms

Iceland, Glacier lagoon (Jokulsarlon)

Winter Weather Words Quiz

Demystified

winter ice melting salt on the ground, pattern as background

Why Does Salt Melt Ice?

Iceberg, Arctic (polar, environment, global warming)

Why Does Water Freeze from the Top Down?

Glacier off coast of Argentina, South America. (glacial; snow; ice; blue ice; melting glacier)

What’s the Difference Between a Glacier and an Ice Floe?