Across
- 2. medium in degree; not extreme or intense
- 5. the loud noise that follows a flash of lightning, caused by the sudden expansion of air heated by the lightning
- 8. a small invertebrate animal that has six legs and a body divided into three main parts
- 10. an artificial body placed in orbit around the Earth or another planet in order to collect information or for communication
- 12. a prolonged period of excessively hot weather
- 13. a group of living organisms consisting of similar individuals capable of exchanging genes
- 15. to reuse or process (waste or materials) in order to produce something new
- 16. the rural areas outside of cities and towns, typically with farmland, forests, and small settlements
- 17. to keep something in its original or existing state; to protect or maintain
- 19. a bright flash of light in the sky caused by electricity discharging between clouds or between a cloud and the ground
Down
- 1. animals that live in their natural habitats, especially in the countryside, rather than in captivity or in urban areas
- 3. a prediction of what the weather will be like in the near future
- 4. a warm-blooded animal that has hair or fur, feeds its young with milk from mammary glands, and typically gives birth
- 6. to free or deliver from confinement, danger, or difficulty
- 7. to find the exact position or place of something
- 9. waste material, such as paper, cans, and bottles, that is disposed of improperly, as in public places
- 11. the natural world and physical surroundings in which people, animals, and plants live
- 13. system the sun and the planets, moons, and other objects that orbit around it
- 14. the point or place where something begins, arises, or is derived
- 18. a species that has died out completely and no longer exists anywhere in the world