Murray Darling Basin: Water unit Week 1

The ​ (a)   is a one million square kilometre area in the south east of Australia.

It is called a ​ (b)   because water is collected by the ​ (c)   before it eventually flows into the two major Basin rivers, ​ (d)   .

• Murray–Darling Basin
• Basin
• natural landscape
• the Murray and the Darling

The Murray Darling Basin is very ​ (a)   to ​ (b)   within the basin provide ​ (c)   for ​ (d)   fish, birds, frogs, lizards and snakes.

• important
• wildlife and Wetlands
• homes
• endangered and diverse

There are now over how many threatened species living in the Basin?

• 95

• 15

• 25

• 30

True or false:

The endangered species and habitats in which they live, depend on the river for clean water and nutrients.

• True

• False

True or False:
Each environment has evolved to cope with the different weather events that can happen in the Australian climate?

• True

• False

The Murray Darling Basin is important because…

A catchment is what?

• Surrounded by hills or mountains, where water naturally collects

• Somewhere you can catch fish

• A lake that has been created and filled up manually

• A water tank

Answer explanation

Gravity causes all rain, melting snow and other water in the catchment to run downhill where it flows into creeks, rivers, lakes or oceans.

How was the Basin created?

• it occurred naturally between 20-30 millon years

• It was man made 100 years ago

• it occurred naturally between 40-60 millon years

• It was man made 1000 years ago

​ (a)   of water from the water system is ​ (b)   , due to ​ (c)   nature of the rivers and climate of many of the ​ (d)   .

• high
• Evaporation
• low flowing
• catchments

Floodplains – is the land ​ (a)   a river that is slightly ​ (b)   , and becomes ​ (c)   when there’s ​ (d)   of water in the ​ (e)   .

• alongside
• higher in elevation
• flooded
• high volumes
• river