1. The Cryosphere Ice World

2. Water Level Does not Change If you melt ice in a glass of water Check it out! Check it out! Check it out! Check it out! Ice floating on water cannot change water levels. Ice floating on water cannot change water levels. Ice on rock can Ice on rock can

3. Snow and Ice…many forms Snow Snow Sea Ice Sea Ice Icebergs Icebergs Ice shelves Ice shelves Ice Sheets Ice Sheets Glaciers Glaciers Permafrost Permafrost

5. Sea Ice Ice Floating on the sea/ocean Ice Floating on the sea/ocean During summer it melts, winter it reforms During summer it melts, winter it reforms What the polar bears travel across What the polar bears travel across Could it raise water levels? Could it raise water levels?

6. Sea Ice

7. Icebergs Parts of ice shelves that have broken off and are now floating in the sea Parts of ice shelves that have broken off and are now floating in the sea 90% underwater 90% underwater

8. Icebergs

9. Iceberg

10. Glacier Slow moving mass of ice flowing down a mountainside Slow moving mass of ice flowing down a mountainside

11. Glacier

12. Glacier

14. Glaciers

16. Ice Shelves Attached to the end of glacier or ice sheet Attached to the end of glacier or ice sheet Extends out over water, though still attached to land Extends out over water, though still attached to land

17. Larson B ice shelf Larson B ice shelf

18. Ice Shelf

20. Ice Sheet Gigantic sheet of glacier ice. Gigantic sheet of glacier ice. On land On land

22. Permafrost Perpetually frozen ground Perpetually frozen ground

23. Frost Heave Frost heaves cause expansion of the ground and can be seen on this highway Frost heaves cause expansion of the ground and can be seen on this highway