flat land around a river that gets flooded when the river overflows
floodplain
the process that turns water gas into water
condensation
low land, with higher land on each side; it was carved out by a river or glacier
valley
the starting point of a river
source
this water is held in rock, underground
groundwater
a river that flows into a larger one
tributary
The location of river Thames
The River Thames flows entirely within England
Name the part of the river, where it flattens out
the lower course
Water evaporates from the sea, falls as a rain, and returns to the sea in rivers. Name the process
Water cycle
the wide mouth of a river, where the river water and sea water mix
estuary
the process that turns water into a gas
evaporation
What is the longest river in the UK?
The River Severn
the top of the groundwater
water table
Is the River Thames tidal?
Yes
What is the length of the River Thames?
346 km
a river whose flow and level are influenced by tides
a tidal river
where two rivers join
confluence
the name for water in gas form
water vapour
the flow of water occurring on the ground surface when excess rainwater, meltwater, or other sources, can no longer sufficiently rapidly infiltrate in the soil
surface runoff
This process turns saltwater into fresh water, which we can drink
The water cycle
the land from which water drains into the river
river basin
the dividing line between one river basin and the next - usually a ridge of land
watershed
What is the most famous river in England?
The River Thames
Name the part of the river, where it is less steep
the middle course
What is the start or source of the river Thames?
A spring seeping up in a field in the Costwolds
when water soaks down through the ground
infiltration
the alternate rising or falling of the water in the river
a tide
the layer of gas around Earth; at Earth's surface, we usually call it air
atmosphere
where it flows into a lake, or the sea
mouth
Is the river Thames is the longest in England?
Yes
Name the part of the river, where the slope is steepest
the upper course
a cross-section showing a river's channel and/or valley
cross profile
Fill the blank: There is a river _________ on each side of the channel
a river bank
the bottom of the river channel
the river bed
does not let water pass through
impermeable
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