Across
- 3. What animals and humans eat to sustain themselves.
- 4. Professional who study and conduct experiments.
- 8. Areas situated near the sea.
- 9. Large coverings of ice found at Earth's extremities.
- 11. Relating to the extreme north or south of our planet.
- 12. warming The gradual heating of Earth's overall climate.
- 14. Turning from solid to liquid, often due to heat.
- 15. Machines in space that can capture images of Earth.
Down
- 1. Overwhelming amounts of water covering land that's usually dry.
- 2. The opposite direction of north; one of the poles.
- 4. Aquatic mammals often seen lounging on ice.
- 5. A measure of how hot or cold something is.
- 6. The act of continuing to live or exist, often in tough conditions.
- 7. The opposite direction of south; one of the poles.
- 10. Animals living in their natural habitats.
- 13. Large white carnivores known to roam icy regions.