Scientific terms
What scientific term refers to the amount of salt dissolved in a body of water?
Salinity.
What are waves?
Movements of the surface of the water, caused mostly by the wind.
How do we call the start of rivers?
Source (or headwaters)
In which country can we find the source of the Danube?
Germany
Which 2003 animated movie showed The East Australian Current, being traveled by marine life?
Finding Nemo (2003)
What is the process called when eroded material, such as sand and rocks, is deposited in rivers or at their mouths?
Sendimentation.
What are tides?
Daily rise and fall of the water level in seas and oceans.
What is the term for the place where the river ends?
Mouth
Which sea does the Danube flow into?
The Black Sea.
What is the name of the massive collection of plastic waste and debris floating in the Pacific Ocean?
The Great Pacific Garbage Patch
What are the curves in a river called?
Meanders
What are currents?
Large masses of water that cross the oceans in a similar way to rivers.
Name at least two things from where the source of rivers are originating from.
Name three countries the Danube flows through.
Germany, Austria, Slovakia, Hungary, Croatia, Serbia, Romania, Bulgaria, Moldova, Ukraine
What unfortunate event provided the scientists a way to study the pattern of the oceanic currents?
What do we call smaller streams or rivers that flow into a larger river?
Tributaries.
Name at least two ways currents affect the environment.
- Transporting marine life (currents are traveled by fishes)
- Affecting the climate of entire regions.
What builds up in the slower section of rivers due to erosion?
Sediments.
What Austrian city does the Danube flow through?
Vienna
Name at least three ways rivers are being polluted.
Plastic waste
Pesticide runoff
Pharmaceutical waste
Industrial waste
Sewage waste
Oil spills
What term describes the state of dryness in a region, often leading to droughts and water scarcity?
Aridity
What causes the movement of the currents?
By differences in temperature, salinity, and by the wind.
What is the landform often created by sediment deposition at the mouth of rivers?
Delta
Name at least three capital cities the Danube flows through.
Which two smaller rivers are regarded as the source of the Danube?
Breg and Brigach