Year 5. Unit 1. Water

2. The people in the desert who travel from one oasis to another with their herds.
5. Where does the cactus store water?
6. A seasonal wind pattern that brings heavy rains to certain regions, especially in South Asia.
7. Driest places on Earth.
9. The important underground part of plants.
11. The largest hot desert in the world.
13. A hill of sand piled up by the wind.
14. What percentage of the world is tropical rainforest?
15. what is the main natural supplier of salt to the ocean?
17. Most important gas for living things.
20. Tropical rainforest are found between Tropic of Cancer and Tropic of...
22. Is any area in a desert that has a supply of freshwater and where plants can therefore grow.
24. The process when salt is removed from the seawater.
26. Unwanted or unusable materials that are discarded.
28. A bacterial infection caused by contaminated water or food, leading to severe diarrhea and dehydration, and can be fatal if not treated promptly.
29. Part of camel body that stores fat.
30. Used water that goes from every building by big pipes to the treatment plant.
31. What is the gas that is used on a treatment plant to kill germs?
33. The deep hole that people dig to get water.
34. A large, desert-dwelling mammal known for its humps.
35. The watering of land to make it ready for agriculture.

1. A gas produced by burning fossil fuels.
3. Is a situation in which large numbers of people have little or no food, and many of them die.
4. Wood that has been processed for use in building and carpentry, often harvested from forests.
8. A facility where water is cleaned and purified to make it safe for drinking.
10. A barrier constructed across a river or stream to control the flow of water.
12. An organization or activity that helps those in need, often through donations of money, goods, or services.
16. What is the mountain with a crater?
18. A spherical model representing the Earth, showing continents, oceans, and other geographic features.
19. What continent is Gobi Desert in?
21. A person who has been forced to leave their home country due to war, persecution, or natural disasters.
23. A large, slow-moving mass of ice formed from compacted layers of snow, found in polar regions and high mountains.
24. Long period of dry weather.
25. Layer of minerals and organic material that covers much of Earth's surface.
27. Which continent has the largest area of tropical rainforest?
32. What are the five largest bodies of water called?