Vocabulary

• tip of the iceberg: A small visible part of a much larger problem.
• know about: To have information or understanding of a subject or situation.
• feed on: To eat a particular food.
• inch along: To move forward very slowly and gradually.
• spread out: To extend or stretch over a large area.
• live for: To consider something the most important thing in your life; to find purpose or great pleasure in something.
• fall apart: To suffer a nervous breakdown
• compressed air: Air that has been forced into a smaller space, increasing its pressure.
• pass through: To experience something, often unpleasant or difficult.
• at least: As a minimum
• tip: To pour or move something from a place, container
• sound: Sensible, dependable and reliable
• layer: One of several sheets of a material or object
• trap: Device used for catching animals
• portion: Serving of food that is intended for one person
• water: Clear liquid that forms the seas, rivers and rain
• shelf: Flat, narrow surface on an area of rock or sand
• air: Mixture of gases around the earth that we breathe
• float: To sell the shares of a company publicly
• melt: To disappear or to go away
• fresh: Clean; not used or dirty
• large: Big; of great size; broad, tall, wide, or fat
• glacier: Very large river of ice moving down a mountain
• ocean: Large body of salt water; a large sea
• south: Direction to your right when facing the rising sun