ice shelf - n. a floating sheet of ice attached to a landmass.

offshore - n. moving away from the shore toward the water

recipe - n. a way of doing something that will produce a particular result

glacier - n. a very large area of ice that moves slowly down a slope or valley or over a wide area of land

glaciologist - n. a person who studies glaciers

ice cap - n. a covering of ice over a large area, especially on the polar area of a planet.

bedrock - n. the solid rock that lies under the surface of the ground