Spelling: goldfish, fireplace, brainstorm, earthquake, lifeguard, footprint, grapevine, headache, bathroom, pigpen, sometimes, spotlight, waterfall, newspaper, billboard, outfit, handshake, moonlight, lifetime, understand

Vocabulary:

expedition- a journey made to accomplish something.

arctic- having to do with the North Pole.

glaciers- a slow moving mass of ice.

constellation- a group of fixed stars having a name.

insulation- a material that keeps heat from being lost.