The CryosphereThe Cryosphere

Ice WorldIce World

Water Level Does not Change If Water Level Does not Change If you melt ice in a glass of wateryou melt ice in a glass of water

Check it out! Ice floating on water Ice floating on water

cannot change water cannot change water levels.levels.

Ice on rock canIce on rock can

Snow and Ice…many formsSnow and Ice…many forms

SnowSnowSea IceSea Ice IcebergsIcebergs Ice shelvesIce shelves Ice SheetsIce SheetsGlaciersGlaciersPermafrostPermafrost

Sea IceSea Ice Ice Floating on the Ice Floating on the

sea/oceansea/ocean During summer it During summer it

melts, winter it melts, winter it reformsreforms

What the polar What the polar bears travel acrossbears travel across

Could it raise water Could it raise water levels?levels?

Sea IceSea Ice

IcebergsIcebergs

Parts of ice Parts of ice shelves that shelves that have broken have broken off and are off and are now floating in now floating in the seathe sea

90% 90% underwaterunderwater

IcebergsIcebergs

IcebergIceberg

GlacierGlacierSlow moving Slow moving

mass of ice mass of ice flowing down flowing down a a mountainsidemountainside

GlacierGlacier

GlacierGlacier

GlaciersGlaciers

Ice ShelvesIce Shelves

Attached to the end Attached to the end of glacier or ice of glacier or ice sheetsheet

Extends out over Extends out over water, though still water, though still attached to landattached to land

Larson B Larson B ice shelfice shelf

Ice ShelfIce Shelf

Ice SheetIce Sheet

Gigantic sheet of Gigantic sheet of glacier ice.glacier ice.

On landOn land

PermafrostPermafrost

Perpetually Perpetually frozen groundfrozen ground

Frost HeaveFrost HeaveFrost heaves cause expansion of the Frost heaves cause expansion of the

ground and can be seen on this highwayground and can be seen on this highway