The Water Cycle

3. a change of state from liquid to solid
5. a substance that has a fixed shape and volume
6. a change of state from liquid to gas; it requires heat and involves a transfer of heat to the gas produced
10. a weather pattern that describes the cooling of the central and eastern tropical Pacific Ocean, often accompanied by warmer than normal sea surface temperatures in the western Pacific, and to the north of Australia
11. water that falls to the ground, including rain, snow, hail and sleet; part of the water cycle
13. a resource found in the natural world
16. a change in state from solid directly to gas, by absorbing heat
18. a large mass of ice floating in the ocean
19. a weather pattern that occurs when warm water spreads east across the Pacific Ocean, causing drought in Australia and heavy rain in South America; it occurs every two to seven years

1. a change of state from gas to liquid
2. something that is measured in an experiment, to see how it is affected by the independent variable
4. a substance that has a fixed volume but flows to take the shape of its container
7. the process in which water soaks into the ground and becomes groundwater
8. a slow-moving flow of ice formed by the build-up of snow
9. vapour the gaseous form of water, an invisible component of air; not to be confused with the liquid droplets that make up clouds and steam
12. a long period of very low rainfall
14. something that we need or use
15. a substance that has no fixed shape or volume but expands to fill the space in a container
17. a change of state from solid to liquid