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Across 3. A series of rocks that trap underground water under pressure. (2 words) 4. Wearing away of soil and rock by natural elements such as wind and water. 7. An area which receives less than 250 millimetres of precipitation annually. 9. Parts of the Earth’s crust lifted up by the geological forces. 10. When rocks in the Earth’s crust buckle and fold under pressure. 12. The breakdown of bare rock by water and temperature changes. 14. The various slow-moving plates that make up the Earth’s crust. Volcanoes and earthquakes often occur at the edges of plates. (2 words) 15. A community of living organisms (plants and animals) and the location or environment in which they live.

Down 1. Occurring at different times of the year such as spring, summer, autumn and winter, characterised by specific climate and weather. 2. A climate that is likely to change. (2 words) 3. Having little rainfall to support vegetation. 5. Moisture that drops to the Earth from the atmosphere (e.g. rain, hail, snow). 6. The shape of the land. 8. Water running over the surface of the land that is not taken up by plants or does not soak into the ground. (2 words) 11. Material deposited by a stream or other body of water. 13. Fracture or weakness in the Earth’s crust.