SOCIAL STUDIES 1103 ST

large mass of ice that flows slowly across land

• ice cap
• glacier
• leads
• pack ice

thick, permanent ice cover that is larger than 20,000 square miles (50,000 square kilometers)

• pack ice
• ice sheet
• ice floes

permanent ice cover that slopes down from a high center

• ice sheet
• ice floes
• pack ice
• ice cap

areas of water between sheets of drifting ice

• pressure ridges
• leads
• rafted ice
• glacier

ice formations created when currents, tides, or winds fold the ice

• calving
• ice floes
• pressure ridges
• rafted ice

ice formation created when one piece of ice slides over another

mountain peaks that project from glacial ice

process by which icebergs break off from glaciers

ice that calves from glaciers and surrounds Antarctica

• leads
• ice cap
• ice floes
• pack ice

frozen seawater