Why is sea ice formation important?
• In Advance • Hang up the Sea Ice Cycle poster along with the Iceberg Cycle poster • Make sure that the students have their Venn Diagrams, which are printed on the backside of the Iceberg cycle handout. • Students will need a pencil to fill out the Venn Diagram handout when the time comes • Review the day before • Review some of the things that the students learned yesterday (have a student lead you through the Iceberg cycle chart. Ask them questions about sizes of icebergs and names of those different sizes; recap why icebergs can be dangerous to humans.) • Discuss with the students that you will be talking about sea ice today as opposed to icebergs. • Sea Ice cycle Discussion/Activity • Go over the sea ice cycle with the students in the class emphasizing the different stages of ice formation and the fact that sea ice has a little bit of salt left in it. • Name the salt molecules by asking the students what they think it should be named. Take three suggestions then have the class vot