Across
- 1. a mixture of gases, ice, dust, and rock that moves in an irregular circle
- 3. a tool that measures air pressure
- 5. an object that crosses paths with Earth and enters Earth's atmostphere
- 6. a rock that goes around the Sun
- 9. a large spinning storm that has winds over 117 kilometers per hour
- 11. a rainstorm that includes lightning and thunder
- 13. an object that circles around a planet
- 14. any object in space that circles around another object
- 17. heat going from one place to another through movement of a gas or liquid
- 19. the path one object takes around another
- 20. a pulling force between two objects
- 21. a flattened circle
Down
- 1. the ongoing movement of ocean water
- 2. the layer of gases closest to Earth's surface
- 4. an object in space that makes its own light and heat
- 7. a tool used to see distant objects
- 8. water vapor in the air
- 10. air that surrounds Earth
- 12. a spinning funnel cloud that has winds up to 480 kilometers per hour
- 15. a meeting place between two air masses
- 16. to make a guess about what might happen based on careful observation
- 17. the average weather conditions of a place
- 18. the daily rise and fall of the ocean's surface