The Water Cycle
What is the process called when the sun heats up water in rivers, lakes, or oceans and turns it into water vapor?
Evaporation
What kind of natural hazard happens when the ground shakes because of movement in the Earth’s crust?
Earthquake
What is water scarcity?
When an environment or area runs low of water or sources of water.
What is the name of the water storage facility in our catchment area?
Warragamba Dam
Name 2 places we studied in this unit.
What is the step where water moves across the land and flows into rivers, lakes, and oceans?
Runoff
What do we call it when a volcano explodes and releases lava, ash, and gases?
Volcanic Eruption
They store water in cases of drought and treat dirty water for consumption.
What is the name of the lake at Warragamba Dam
Lake Burragorang
Why is water important agriculturally?
Watering crops, providing water for farms, etc.
What is the name of the step where water vapor cools down in the sky and forms clouds?
Condensation
What type of natural hazard brings very strong winds and heavy rain, and often forms over warm oceans?
Hurricane
How is water scarcity impacted by climate change?
Climate change causes higher temperatures which can lead to drought and situations where there is not enough water for an area or group.
Name 3 features of Warragamba Dam
Auxillary spillway, Dam wall, tunnels, pipes, education centre, lake Burragorang
What disease is caused by drinking contaminated water?
Cholera
What do we call it when water falls from the sky as rain, snow, sleet, or hail?
What natural hazard occurs when there is too much rain and water covers land that is usually dry?
Flood
Which Sustainable Development Goal relates to water.
Goal 6
Which 2 companies are responsible for looking after the water supply for our area
Water NSW and Sydney Water
What is Day Zero?
The day that an area is predicted to run out of water.
What happens when rainwater soaks into the ground and fills up underground spaces?
Infiltration
What is the name of the hazard that happens when an area gets little or no rain for a long time?
Drought
What is the difference between a dam and a weir?
A dam is a barrier constructed across a river or valley to block the flow of water and create a reservoir, while a weir is a smaller barrier that raises the water level and allows water to flow over it or sometimes underneath.
How much of our drinking water is supplied by Warragamba Dam? (%)
80%
Name 3 types of water sources.
Salt, fresh, ground, ice caps, soil/air, lakes/rivers.