Across
- 2. Ground that remains completely frozen for at least two years straight.
- 5. The northernmost region of Earth, primarily consisting of the Arctic Ocean.
- 8. A large piece of freshwater ice that has broken off a glacier and is floating in open water.
- 10. The measure of how much sunlight a surface reflects (high in ice, low in water).
Down
- 1. The natural light display in the sky, often seen in high-latitude regions.
- 3. A vast treeless plain where the subsoil is permanently frozen.
- 4. A potent greenhouse gas trapped in frozen polar soils.
- 6. Tiny crustaceans that are a primary food source for many polar animals.
- 7. A flightless bird found almost exclusively in the Southern Hemisphere.
- 9. A slowly moving mass of ice formed by the accumulation of snow.