Across
- 1. A large amount of water covering an area that is usually dry
- 4. A violent wind that has a circular movement, especially in the West Atlantic Ocean
- 6. Material or unwanted things that you throw away
- 9. An artificial substance that can be shaped when soft into many different forms and has many different uses
- 10. A strong, dangerous wind that forms itself into an upside-down spinning cone and is able to destroy buildings as it moves across the ground
- 11. An occasion when a volcano explodes, and flames and rocks come out of it, or the act of doing this
- 13. A sudden violent movement of the earth's surface, sometimes causing great damage
- 14. A system of vehicles such as buses and trains that operate at regular times on fixed routes and are used by the public
- 16. A long period when there is little or no rain
- 17. Energy that uses the power of the sun to produce electricity
Down
- 2. Made without using artificial chemicals in the growing of plants and animals for food and other products
- 3. Able to be recharged
- 5. Being or using the power produced when the nucleus of an atom is divided or joined to
- 7. A gradual increase in world temperatures caused by gases such as carbon dioxide that are collecting in the air around the earth and stopping heat escaping into space
- 8. A group of wind turbines (= tall structures with blades that are blown by the wind) that are used for producing electricity
- 12. Damage caused to water, air, etc. by harmful substances or waste
- 15. The process of collecting and changing old paper, glass, plastic, etc. so that it can be used again